Th400 Modifications

Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. It is highly regarded for its supreme durability. Many modifications, particularly big cams, tend to reduce low end power and torque. Essentially a TH400 with overdrive and more rugged internals, the GM 4L85E is the ultimate automatic. Racing seats and harnesses. Photo #5: Raise the transmission and attach to the engine with the top two bellhousing-to- engine-block bolts and lock washers. Call For Pricing & Options. However, it has no overdrive and it has no converter lock up, so highway revs are a little high. Playing with Transmissions: Setting Total Endplay to Prevent TH400 Gear Train Failure Randall Schroeder Tech support hotlines have been burning up for years with phone calls concerning rapid gear train failure in GM TH400 transmissions after routine rebuild or repair. The results in the following post are unbelievable and truly shows the potential of the Z32-TT with stock turbos. We offer a variety of Turbo 400 Shifter for your automotive needs. May require modifications to the oil. • Only carry out modifications that are described in the instructions for the device. 34010 34010A 34300 Buick Cadillac Chevrolet Chevrolet & GMC Trucks Vans G10 w/5. This page is all about what I learned after I decided to swap the original TH400 transmission in my 1975 GMC Suburban for a TH700R4 transmission to gain the benefits of a modern overdrive transmission and help tame my "great for towing" 4. He sold me a valve body for the TH-400 that he said he modified based on an article in Hot Rod magizine. But, there are a large following of people using jeeps for extreme recreational sporting, along with doing modification projects as well. Add to Cart. So if the TV cable is not adjusted properly, it can cause numerous transmission problems. government from 1984-1986. You must also modify the 1-2 shift valve as listed below for FULL manual shift conversion: The TH400 has a over-ride shift that will shift out of low gear even if you have manually selected low. The BDE TH400 kit is organized into stages to allow you to choose only the components needed or customize to your liking. Transgo Shift Kit Install TH400 Turbo 400 Hydra-Matic - Duration: Turbo-Hydramatic 400 Valvebody Modifications - Duration: 5:53. This model is an auto/stick trim for the dual purpose vehicle. A glide will almost always be faster than a TH400, if you have enough converter for your combo and the gear ratio is close. CHEVY th400, transmissions rebuilt. FTI Offers a wide variety of TH400 Parts including racing transmisison pumps, valve bodies, gear sets and deep transmission pans. Transmission Application: TH400 & 200-4R These heavy-duty steel transmission crossmembers for the 1978-1987 GM G-Body allow you to run a true dual exhaust system. Overall Length 31 3/16 , Face to mount distance 23 5/16”, Ratios: 1st 2. ( more) IMPORTANT: This is the First Step. In 1978 the base 400 had 180hp and the W72 engine had 220. These modifications typically involve disabling accumulators, increasing separator plate hole sizes, tossing out a few check balls, and shimming up pressure regulator springs. DESCRiPTiON QTY. If you are looking to go with more than 500 horsepower, maybe the 4L80E is the right transmission for you. Crossmember TH400 200-4R “1967 to 1981 F & X Body” BatWing Design Camaro, Nova and Chevy II $ 249. Hope that helps. Re: TH400&NP208 Fluid Question I'm not sure about the TH400/NP208, but I do know firsthand the fluid IS a shared entity on the later model trucks. The 700R4 never has a cheap POS. TH400 Competition Components. It can be used to race both 1/4 mile & 1/8 mile without major. Box Box 763 Pismo Beach CA 93448 (805) 481-7639 Fax 343-5000. Nominate and vote for your favorite G-Body every month! Still in the early stages, so the mechanics will probably change. 9 Cummins to Chevy adapter plate and flexplate kit accommodates 2002 and earlier Cummins 6BT engines, bolting to a Chevrolet automatic transmission such as a TH400, 700R4, 4L80E, and similar. 9bt, which is generally 120 hp with torque in the low-mid 300's. I ended up getting a low mileage 4l60e from a salvage yard 2 hours away. Powerglide High Clutch Hub Forged Steel, Deep APG-28304-01. 1970 Pontiac Trans Am Gets the Extreme Widebody Treatment. Turbo 400 on sale with Free Shipping, Now offering TH400, TH-400, Monster 400 Transmission, Rebuilt Th400 and Rebuilt Turbo 400 with new lower prices Jeff Goethe Transmissions What others are saying. Do any of you transmission guys know a good DVD or book on rebuilding a TH400, other than the "How to work with and modify the Th400" book by Ron Sessions(The one with the red 70 Chevelle on the cover), I have it allready. No matter what you're driving, we have the right Turbo 400 Shifter for your vehicle. Sloppy Guide to Junkyard Turbo LSx Builds **Currently typing this up and adding to it ** stay tuned for updates ** So you want a turbo LS series junkyard Mill powering your shitbox into a pavement punishing "tyre fryer", and you're not sure where to start. Governor Gear Repair Kit, 11 Tooth, fits GM TH400 / 3L80 TH-400 Heavy-Duty/HP/HD/THM. TH400 Aluminum Direct Drum & Extra Large Sprag The TH400 Aluminum Direct Drum with an Extra Large Sprag is ideal for Pro-Street, Pro-Mods and Top Sportsman. FTI Offers a wide variety of TH400 Parts including racing transmisison pumps, valve bodies, gear sets and deep transmission pans. This allows the engine and transmission to be placed straight and not at the angle like the OEM. Maximizer™ Conversion Kits. The TH400 comes with either linkage or cable shifters. TH-400 transmissions are three-speed automatics, with a 2. Monster Savings of:$600. Owner Bruce Fulper can answer ANY question for you. My 1985 Monte Carlo SS. Blazer, Jimmy1992-06. So the pressure pushes the convertor forward into the motor, causing thrust failure. Nominate and vote for your favorite G-Body every month! Still in the early stages, so the mechanics will probably change. The input gear on the TH400 is 32 spline and a hair shorter than the TH350 27 spline version. 1/4-inch locking dowels have been inserted to stop inner race movement. All of our Super Comp transmissions include this top of the line valve body. CUMMINS Description: The G Force 5. 50 bfg mud terrains on the rear and hercules tera trac otr's on the front. A very stout performer, this engine was the included engine with the SS427, but could also be had with any big Chevy in 1969. Tighten TH-400 governor cover bolts to 15 foot pounds. Der Geländestapler MC überzeugt durch seine Kurven und sein schwarz-rotes Design und bietet Komfort sowie Benutzerfreundlichkeit. This book includes removal of the transmission from a typical vehicle, complete teardown, and step-by-step reassembly. Turbo 400 transmission chrome dipstick with O-ring seal for GM TH400 auto transmissions. So, ANY (Truck or SUV. modifications. 11 gears great on the street. It can be used to race both 1/4 mile & 1/8 mile without major. f bodies suck. The 700R4, 4L60, and 4L60E have the same external dimensions and case. Hey guys, Just wondering if any tunnel modifications are required to instal a th400 with a Chevy bell on it. KD2400 - TH-400 Electric Kickdown With Billet Box - Stainless Steel Cable Housing Lokar's TH400 Electric Kickdown is cable-operated and the electric switch is housed in a billet aluminum box that mounts with transmission pan bolts. This is also because the heavy clutches I needed to hold the 700hp at the engine were becoming unreliable and the only real clutch option was a $4000 RPS carbon-carbon triple plate. Performance Automatic's transbrake valve bodies are complete and ready to install. A Turbo 400 was the first transmission I learned to work with. Free shipping. That's why it's not a good idea to run a trans with no/low pressure to modulator. When towing heavy loads I do find that the TH400 does run much hotter because of the lack of lockup. Diesel Conversions® works hard to be leaders in the Cummins diesel conversion market, and we want to be the best. If this is the case, instead of the GM #8627332 pressure switch listed above, which is what is needed for the two wire solenoid, you will need GM #8643710 pressure switch. We also have several in design stage for 2018. cable is with this transmission (see following pages). Kits will require some degree of drive line modifications. The owner "Mad Dog" Lou is a second generation transmission builder who got his start building in his families shop. Note 1: The Japanese twin turbo uses ceramic (exhaust side only) shafts which can be replaced with no modifications by the steel CT20A (large version) turbine shafts. 00 R&R RACING PRODUCTS FUEL PUMP MOUNTING BRACKET $ 105. Reverse gear is 2. Our Engine Showroom stocks many engine parts and accessories. (No Output Shaft Modifications are Necessary) All 2wd and some 4wd 4L80E have VSS Sensors built into the transmission. Our packages have track proven times; not just dyno numbers. • Only carry out modifications that are described in the instructions for the device. Once installed into the 700R4, the output side of the 700R4 looks identical to a 4WD TH400 that is being replaced. 3 Notes on warranty SITRANS TH400 6 Operating Instructions, 06/2010, A5E01018688-02 1. Great for manual to automatic conversions. The second option we'll be looking at is the Turbo Hydra-Matic 400 a. m&m 3spd th400 transmission $ 11,750. While these transmissions are respected for their durability and versatility, there always comes a point where the old transmission shows signs of wear. The Fordmuscle Ranchero This Vehicle is dedicated to Speed and Performance that is Supported by: Fordmuscle. Custom adapter and flex plates, driveshaft modifications, control system and tuning, and getting the transfer case you want connected if your truck is a 4x4 all adds up to a very significant investment. T he purpose of this website is to provide information and help with problems of the GM 6. But durability is significantly increased. It's a 3-speed transmission that originated in the mid-'60s, which is largely known for two main strengths. Title: GM Turbo 400 Transmissions Part Type: Reference Book Author: Cliff Ruggles Binding: Soft Bound Pages: 144 Dimensions: 8. Additional Information: This adapter kit requires the use of a Ford 6. Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. It will take readers through the complex rebuild procedure of GM's most popular rear-wheel drive automotive transmission, along with performance upgrade procedures in a series of full-color photos and time. All parts are exact or better OE style replacements and will work with OE mating parts and competition-type shifters with no modifications to the case. Very loud and fast. The 2 speed Jetaway was replaced with a 3 speed TH400 several years ago. Add Performance Torque Converter. Stage II TH400/Z32 Crossmember. The TH400 is an aluminum cased three speed automatic transmission that was produced by GM. At Hughes Performance we rebuild and repair transmissions and torque converters. The 700R4 never has a cheap POS. amc engine, th400 tranny, dana 44 front axle and dana 60 rear. Hughes Performance offers 3 different control valve bodies for your specific application. Here at Modern Muscle Xtreme we only sell the HEMI performance parts you need to take your hot rod to that next level of competition. Polyurethane transmission mounts available for TH350, TH400, 700R4, 4L60E, Muncie 4 speed and Powerglide transmissions. We had an Ethanol powered 99 Silverado with a Vortech on it. Long tails were common in station wagons and pickups. TH350/700-R4 to TH400 Convert Kit. 55:1 rear gear, the overdrive drops the effective rear gear ratio to 2. The first version is our automatic/manual valve body, installed on all of our "-1" street/strip transmissions. Oh the reason I had to ask was from a search i did on chevelles that you had responded to. IF you have a 84 OR LATER G-body, it will work. Benefits of Modifications. TH400 Competition Valve Bodies. Again, this does not take into consideration the internal weights. I would recommend against the above mods. How could you import a Cresta but not the Mira ? The Mira is an early 90's model, the Cresta is from 1985, and. How to Rebuild Modify GM Turbo 400 Transmissions by Cliff RugglesOver the last 50 years literally millions of GM cars and trucks have been built with Turbo 400 automatic transmissions. The turbo 400 never came behind a cummins any stronger than a stock 3. This four-speed overdrive trans works with just about any power level and engine combination. The TH400 comes with either linkage or cable shifters. CHEVY th400, transmissions rebuilt. Racing seats and harnesses. This shifter is of all aluminum 6061-T6 construction. It probably stems from my days of overclocking my computers – always in search of the best tweak, enhancement or other improvement that would improve my overall computing experience. The 700R4 never has a cheap POS. How to Rebuild/Modify GM Turbo 400 Transmissions by CarTech. Turbo 400 with Trans Brake. I just got done building a 700r4 to replace my th400. It is based largely on the TH400 in strength and parts. The industry leading cast 1+2 trans brake from Automatic Transmission Design. Pump modifications for TH400? Thread starter Doug Jacobson; Start date Mar 2, 2003; D. #21---740HP Gen 3 Hemi: 11/20/2018: October 2013. Refer to figure 2. It's around $4. From left to right, top to bottom are: valve body, output shaft, pump stator, planetary gear sets, rear band, pump body and gears, direct drum, direct clutch pack, forward drum and input shaft,. 1: Use a factory configuration. My favorite 401 build combination is with a set of Bulltear's, Wiseco's or Diamond's custom D shape -27cc dish high compression 401 pistons with the big chamber 090 or 993 heads, the Summit 8601 cam, a torker, bigger tube headers, a nice street/strip port job on the heads with roller rockers,. 1/4" locking dowels to stop inner race movement. the Turbo 400, a. Locate the converter charge passage in the pump cover. New TH400 filter for the years 1964 1965 1966 and early 1967. year part no. The dual feed makes it function as it does in reverse and use the entire piston. 1985-1991 TH400 to 6 Bolt Round NP205 will Require a 4wd 4L80E or a 2wd 4L80E with a 4wd Output Shaft. Actual converter may vary, image for illustration purposes only. If you are looking to go with more than 500 horsepower, maybe the 4L80E is the right transmission for you. Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. In order to minimize the amount of tuning required to dial in some Hi Po shift points, it would be nice to get a listing of other peoples spring/we. I would recommend against the above mods. Upgrades Available Here. Often there is quite a bit of money to be saved by refurbishing what you already have or what may be available on the second hand market. Each transmission is custom built to our customers application. almost have the SOA done just fixing some steering problems. Part Number:SS24-TH400. I also have a 2015 6L80 out of a silverado 2 WD. You can do this in many different units, but unless you’re doing the rest of the modifications that go along with leav-ing that checkball out, other parts may break. The TH400 Aluminum Direct Drum with an Extra Large Sprag is ideal for Pro-Street, Pro-Mods and Top Sportsman. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. nz Satellite sites. CUMMINS Description: The G Force 5. 7 350 Remanufactured Engine. CT Solutions CT0904 TH400 GOVERNOR GEAR REPAIR KIT Turbo 400 Transmission - Order Only From Seller CT SOLUTIONS to Assure Correct and Quality Product. if the trans is off another chevy block yes it will fit. 4L65E/4L70E will have 5 pinion planetary housings and 13 vane oil pump rotor - internal parts will retrofit into the non-electronic 4L60 and early 700R4. A gasket is supplied for TH-400 governor cover and an 0-ring is supplied for TH-350 and TH-700R4 transmissions. TH350, M21, TH200-4R, and TH700-R4 all use the same tranny mount, but TH200-4R and TH700-R4 use metric fasteners (M10 x 1. The most notable modification has been the transition from a five to six speed model, which lowered cruising rpm by roughly 14% in high gear. I made an appointment for a couple of weeks later. It also has shorter 1st and 2nd gears than a 400. The 4L80E is just a longer, heavier, overdrive version of the TH-400. 420x325x034. 5″ 350/400 30-Spline XHD Stator Mechanical Diode. The TH400 is an aluminum cased three speed automatic transmission that was produced by GM. After telling Pat what modifications I had made to my 4Runner, he told me I had better get the valve body modification done ASAP. But durability is significantly increased. These modifications will also result in a much firmer apply-into-gear from neutral/park to reverse/drive. Check out 75RivGS 1975 Buick Riviera in Boxtel, for ride specification, modification info and photos and follow 75RivGS's 1975 Buick Riviera for updates at CarDomain. Third Gen Camaro Big Block Engine Swap: Third Generation (1982-1992) Camaro engine swap The theme here is big is better. These new parts will save you from having to reuse, or look for these commonly worn out parts in your performance T400 builds. Automatic Overdrive Transmission Swap. Turbo 400 Performance Racing Transmission Parts by FTI Performance. The EXtreme Automatics™ Stage 2 TH400 includes: EA Billet Pro Transbrake Reverse Shift Pattern / Safety Reverse Lockout EA 210-350psi Adjustable Pressure Regulator 10-3 Case is Media Blasted and Prepped for Racing Billet Hardened Stator Support Hytuff® Input Shaft CNC Forward Drum for over size splines Intermediate Snap Ring Case Support. While these transmissions are respected for their durability and versatility there always comes a point where the old transmission shows signs of wear. So I picked up an LQ4 to slowly build, and my truck already has a shortened posi 3. Back in the mid/late 70's I replaced the original 265/Powerglide with a 327/TH-400. If you are considering a Cummins ® diesel conversion into your Super Duty ® Ford ®, or Chevy truck- you have come to the right site. The Adapter. With Performance Automatic's full manual reverse pattern valve body, you are in total control. Does anyone know what the length of the yoke should be for a 1969 Buick 350 to 455 I'm finding from 5. It can be used to race both 1/4 mile & 1/8 mile without major. TH400-4: Level 4 Trans-Brake TH400 TH400-4UB: Level 4 Trans-Brake TH400, with Ultra Bell. Fast, Consistent Reliability & Serviceability. Using a small, fine tooth, flat file, increase the amount of chamfer to approximately. stock 16 element and later roller clutch as well as various assembly tips to improve the TH400. The SS received a frame-off restoration with many custom modifications, including the suspension. Price: 37000€ Lifting height: 3. will benefit from these tighter fitting rings. It was very clear that the ZF was a cracker transmission compared to the 4 speed auto that preceded it. These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain , providing three forward speeds plus reverse. 1986 S10 PU "SCLB" 2WD 355. FOR MORE INFORMATION CONTACT. They may also include custom modifications to dual-feed the direct clutches in a manner similar to that of the TH400. Other standard modifications are. Thursday at 2:33 PM. One of the more popular modifications made to the Turbo 400 is the addition of an internal transmission brake. "I've got a bolt-on yoke turbo 400. It was designed with a three-element turbine torque converter mated to a epicyclic planetary geartrain, thus delivering three forward speeds plus reverse. R few experimenters are even running 1 , 200 supercharged horsepower through t heir highly modified 400s on the strip ono at truck-and-tractor nulls Today, there are basic upgrades which should be done to any 400 that. Kits will require some degree of drive line modifications. We offer Powerglide, TH400 and 4L80E conversions that utilize the C6Z06 rear diff and for extreme race applications we have a 9in IRS setup that fits in the rear. Transmissions were sized to chassis capacities NOT engine horse power ratings. Rated 5 out of 5 by JJH3 from 68 chevelle ss396 from powerglide to TH400 Went in easy, had to replace the drive shaft due to the length difference of the TH400 over the PG but no big deal. The legend just got better! These may look like the same street blocks that set the standard at drag strips for a generation, but they have a whole new attitude. Any modifications made to the shield will void SFI certification. 1986 and down uses 1 type plate and 87 up uses another. Billet 300M Input Shaft. 030 over with 5. My goal is to make the '85 GMC look like a 4x4 version of my grandpa's truck -- with a plethora other modifications/ customizations. Some bracket modification may be required. The TH400 transmission was GM's first design of automatic transmission in the Turbo-Hydramatic product line. Firebird Runs Its First 9-Second ET By Justin Fivella - December 1, 2014 We’ve been following this 4th Gen. They may also include custom modifications to dual-feed the direct clutches in a manner similar to that of the TH400. From Hot Rods to Pro-Mods, the TH400 can be built in many combinations. Racing and High Performance Products re-manufactures and builds high performance racing transmissions for the automotive market. 700R4 - The 700R4 fits in a 75 and later H-body. What makes this transmission special is it can be used in 1st OR 2ns gear depending on whatever you need it to be. When I dropped the old pan, I discovered that my TH400's filter was held in place by the spring clip shown to the left, below. The third version available for most. Sloppy Guide to Junkyard Turbo LSx Builds **Currently typing this up and adding to it ** stay tuned for updates ** So you want a turbo LS series junkyard Mill powering your shitbox into a pavement punishing "tyre fryer", and you're not sure where to start. 34010 34010a 34300 buick th400(m40) 3l80 th375 - th475 3l80hd. When building a high performance 3-speed transmission, the direct drum is one of the most important components to upgrade - reliability, safety, and performance can all be improved. Going to use a Titan bell adapter. Found an awesome mod for the D-Series. ( more) IMPORTANT: This is the First Step. TH350/400 Governor Mods In the previous issue I explained how the governor plays the major role in determining the automatic shift points in Drive for TH350 and TH400 transmissions. Firebird since it was a heads and cam, T56 car back in 2011 and it has gotten progressively faster as the owner made the swap to a TH400 and further honed the combo. Allison 1000 Transmission Features Moderate changes have occurred to the transmission throughout the years however the platform itself has, for all intents and purposes, remained the same since 2001. Actual converter may vary, image for illustration purposes only. 3 l), 307 cu in (5. Make sure clip is secure and cover is seated to prevent leaks. The industry leading cast 1+2 trans brake from Automatic Transmission Design. 5″ 350/400 30-Spline Steel Stator Spragless: CUSTOM: up to 1000: 9. Jeff Smith: The physical part of bolting this transmission in the car will be easy. 5 percent more clutch area in comparison to the TH400 just by using this setup. And if I had hated the TH400 it would cost me alott just to re-modify everything to be able to fit a stock trans back in. The tranny has a shift kit and the rear end now has a new posi. 50:1 ring and pinion gears. We also have several in design stage for 2018. 9LC rear inlet twin screw supercharger line up develops 650- 1800HP with ONE basic kit. It is a big heavy transmission, that can take quite a bit of abuse with little modifications. Some bracket modification may be required. How To Rebuild & Modify GM Turbo 400 Transmissions Over the last 50 years, literally millions of GM cars and trucks have been built with Turbo 400 automatic transmissions. Part Number:SS24-TH400. Transgo Shift Kit Install TH400 Turbo 400 Hydra-Matic - Duration: Turbo-Hydramatic 400 Valvebody Modifications - Duration: 5:53. Any LQ4 from an Escalade or Denali will have been mated to a 4L60e or 4L65e as well. SITRANS TH400 PROFIBUS® PA 6 Configuration Manual, 09/2013, A5E01039143-022 Information The contents of these instructions shall not become part of or modify any prior or existing agreement, commitment or legal relationship. Powerglide High Clutch Piston‚ 10 Clutches APG-28765D. 1986 and down uses 1 type plate and 87 up uses another. FTI Performance TH400-4. ATS Diesel Performance has been serving the diesel pickup truck industry with some of the most innovative products for over 20 years. It is fairly simple to make a 4L60E harness from a 99-07 1/2 ton 5. 3200 REAR WHEEL HP Ford Coyote! MMR raises the bar again! Discuss this more on FACEBOOK. I ended up getting a low mileage 4l60e from a salvage yard 2 hours away. I also have the Gm turbo 400 rebuild DVD from www. It has a 0. They are also easy to screw up when people modify them, or replace them with a "TH400 governor" that is generic: i. 1 - 12 of 51 items. Discussion Starter • #1 • Apr 4, 2014. Mishimoto universal catch cans let you design your own custom system. The back of the sills is a very complex construction and includes the rear axle radius arm mount, this is a sod to rebuild but for racing it can be simpler to just cut the whole lot out and weld in a simple sill and convert the radius arms to a ‘cotton reel’ bushed rod that is mounted into a. B & M transmissions was selling a TH 400 Shift governor spring & weight kit. Year: 1909-1927, 3329BE. Plenty of clearance under the car. At first, I thought this was an easy swap. The formidable GM Turbo-Hydramatic 400 has been front and center in this new wave of all-out automatic transmissions, heralded for its impressive strength and the efficiency of its planetary gear design — both necessary to withstand the power to push an 8. Many modifications, particularly big cams, tend to reduce low end power and torque. com DESCRIBED THESE MODIFICATIONS AND A COUPLE OF OTHERS AND SAID THAT WHEN USING A VALVE BODY WITH A TRANS BRAKE THAT YOU MUST INSTALL THE INTERMEDIATE BAND. Blasted and Prepped for Racing. Transgo Shift Kit Install TH400 Turbo 400 Hydra-Matic - Duration: Turbo-Hydramatic 400 Valvebody Modifications - Duration: 5:53. Our transmission controllers are compact, packed with features, and have a built-in display for tuning as well as user-friendly software for more in-depth tuning. GM 4, 5 & 6 – Speed Manual Transmissions GM 4-Speed Manual Transmission Trucks The Muncie 465 is a great transmission from a durability standpoint, but it is the widest ratio 4-speed of the Big Three. LS kits and Headers for these cars are designed to be used with the GM LH-8 oil pan. 400 TRANSMISSIONS Mike's Transmisson is the home of the worlds quickest and fastest automatic transmissions. When it is time for a GM Turbo 400 rebuild kit, whether for a muscle car restoration, high performance street vehicle, street rod, hot rod, or all out race Turbo Hydramatic 400, we have the transmission rebuild kit you need for the job. Silver Sport Transmissions Parts Store. 5,582 full-sized Chevrolets received this powerhouse in 1969. How to Rebuild Modify GM Turbo 400 Transmissions by Cliff RugglesOver the last 50 years literally millions of GM cars and trucks have been built with Turbo 400 automatic transmissions. Rudy’s carries a wide variety of performance, suspension, exterior and interior upgrades! Whether you’re looking for a minor boost in performance, all-out drag racing and sled pulling power or a suspension. Add Performance Torque Converter. The Turbo 400 can also be rebuilt at home, but there isn’t time or space to cover all the specifics here. I would recommend against the above mods. In order to minimize the amount of tuning required to dial in some Hi Po shift points, it would be nice to get a listing of other peoples spring/we. Same as the K30 civilian pickup truck. It's rated at +1000 RWHP Price : $ 2,275. long story short, it ate 2nd gear in the trans. STOP BY AND SAY HI! Welcome to Hughes Performance HPAdmin 2020-01-02T17:58:35+00:00. 9" (equivalent to a 18. FTI Performance TH400-4. All repair procedures are supported by detailed specifications, exploded views, and photographs. I had built a TH400 for a 1972 GMC 3/4 ton truck in the early 1980's. not the correct one for the vehicle. 1 - 12 of 51 items. 1/4-inch locking dowels have been inserted to stop inner race movement. description qty. pans for the TH-400 transmission that provide 3 to 4 quarts additional oil ca-pacity which significantly contributes to the cooling ability of the oil. Add to Wishlist. B & M sells a kit of 6 different weights and springs which I purchased. The TH400 was available with the NP203 in heavier duty trucks (3/4 and 1-ton generally) in approximately '78-'79. My favorite 401 build combination is with a set of Bulltear's, Wiseco's or Diamond's custom D shape -27cc dish high compression 401 pistons with the big chamber 090 or 993 heads, the Summit 8601 cam, a torker, bigger tube headers, a nice street/strip port job on the heads with roller rockers,. But, something's missing there. technicalvideos. Any modifications made to the shield will void SFI certification. The Turbo 400 transmission, known officially as the Turbo-Hydramatic and commonly referred to as simply the TH400, was part of a family of automatic transmissions developed and produced by GM. Re: '68 T400 swap Posted by c on 4/15/2020, 11:22 pm, in reply to " Re: '68 T400 swap ". Since this kit was developed primarily for vehicles originally equipped with the TH400 automatic transmission, we've supplied a slave cylinder bracket for your clutch linkage (P/N 715535). The adapter goes on the crank first. The TH350 was mainly factory installed with small blocks and the TH400 with big blocks and high performance and heavier duty vehicles. The following information is what I've found out over time and what I encountered installing it in a 1979 Z28 Camaro. Our stamped 28-34 Ford front crossmembers mount stock radiator and utilizes stock front spring. Install your 6R80 or MT82 the easy way Use this kit when your transmission installation is not covered by one of Stifflers existing crossmembers. 0 mm) for Generation 2 starting in 1964. Buy How to Rebuild & Modify GM Turbo 400 Transmissions by Cliff Ruggles online at Alibris. 50:1 ring and pinion gears. Modify the driveshaft to fit the auto and increase the diameter of the driveshaft to 3. 1: Use a factory configuration. I too had thought about going to a 4l80e or th400 and even a power glide when my transmission first let go but after having great success with my extra clutches in my rebuild and holding 760 rwhp on blower, and now spraying a 400 shot of nitrous on top of it , I have decided to keep the 6l80 in the car and that is the same thing that I suggest. 1 Transmission Scatter Shield A transmission shield, sometimes referred to as a transmission scatter shield is a safety shield that is used to help contain transmission parts when there is a failure that causes damage to a transmission, resulting in case breakage and debris getting outside of the transmission. Because of the different casting numbers and bolt patterns. The Converter Control Knob Has 6 Settings to Adjust the Converter Pressure. All obligations on the part of Siemens AG are. Before going into detail, there are several terms that need to be understood with regard to shift patterns and the TH400. Add to Wishlist. TH400-4: Level 4 Trans-Brake TH400 TH400-4UB: Level 4 Trans-Brake TH400, with Ultra Bell. DO NOT install any gaskets on the case or valvebody! Install. Had to install mini-starter, and had to modify the A/C box on the firewall. Additional. Years ago, technicians discovered they could make shifts more aggres-sive by leaving out certain checkballs. Jakesperformance. TH400 Transmission Level 3 – 400 Raptor Transmission. Transmission mount might need to be moved if the transmission is the same length as the old one no moving will be needed only the proper mount will be required. combo: small block engine: 406 transmission: 350 year: 1976 body_style: camaro rs combo: 2 bolt 400 chevy. The TH400 transmission from General Motors is one of the most popular and widely used transmissions in the racing and rodding industry. I ended up getting a low mileage 4l60e from a salvage yard 2 hours away. You will need to check the year of the 350 though for flexplate fit. The car runs strong and shifts well and I have no complaints. The 700 not only has an overdrive, but it also has a lock up converter in 3rd and 4th gear. Big blocks are available in 396, 427, 454 (7. 0 out of 5 by 2. The th-400 was used mostly on 350 and larger cid engines like 400, 454, etc in the 60's and 70's. It was first introduced in select 1964 models then rolled out completly the following year in 1965. This Turbo 400 is built for extreamly high HP and can handle up to 2000 HP. m&m 3spd th400 transmission $ 11,750. TH400 TH400 Transmissions. I think I'd have to do some custom work to get it to fit - I think a 700R4 is about 2. 700R4 - The 700R4 fits in a 75 and later H-body. Turbo 400 Performance Racing Transmission Parts by FTI Performance. It was designed to prevent engine damage. 31 mm) for early Rockets, 3. Enter a Sonnax part number below to view its instructions. Modify the driveshaft to fit the auto and increase the diameter of the driveshaft to 3. Back To Front Page - Contact Info - Secure Ordering. Leave the line in either 1st or 2nd Gear, and leave the competition in the dust! Reverse Manual Shift Pattern: P-R-N-1-2-3. Weather it is a drag racing, circle track, offroad or street. Modification of the exhaust, truck frame, and body will most likely be needed to get this engine to fit. Firebird Runs Its First 9-Second ET By Justin Fivella - December 1, 2014 We’ve been following this 4th Gen. The BDE TH400 kit is organized into stages to allow you to choose only the components needed or customize to your liking. OK, on item #1. Well been driving the Jeep now for 4 years road/off road, hill climbs and I'm finding that more and more I'm missing the gear ratio in the CJ7 that the Grand Cherokee SRT8 has on the highway. TH400 Rebuild Kit TH-400 Master Overhaul Banner Box Set Automatic Transmission 3L80 GM. Advance Adapter The GM 700R4 main shaft kit is used when replacing a TH400 in model years 1985-91. 38 Sale Price: $27. By Bob Gumm (Please be patient, this page has lots of information!) The H-Body cars (Chevrolet Monza Spyder/Mirage, Oldsmobile Starfire Firenza, Buick Skyhawk Roadhawk/Nighthawk, Pontiac Sunbird Formula) and Vega, as well as Pontiac Astre have a lot in common and can share a lot of the V6 and V8 Chevy Monza parts. pans for the TH-400 transmission that provide 3 to 4 quarts additional oil ca-pacity which significantly contributes to the cooling ability of the oil. Stall adjustment will depend on parts needed and/or time needed to modify. This transmission is part of the Turbo-Hydramatic series and also know by: TH400, TH-400, 3L80, TH475, THM375, M40, THM400, THM-400, 3L80HD, ST400, ST-400. It was first introduced in select 1964 models then rolled out completly the following year in 1965. A TH400 can be converted to "switch pitch" which is a torque converter that has two different stall speeds depending on the position of the switch. Buick Switch Pitch Transmissions. We do stock rebuilds all the way up to 3000+ HP Pro-Mods. With high quality components. 4 modular engines as well as the new Coyote engine. After trying another Turbo 400 governor that had shifted much higher in its original application without any luck, we decided the best way to increase the shift points was to modify the existing. It was designed with a three-element turbine torque converter mated to a epicyclic planetary geartrain, thus delivering three forward speeds plus reverse. Modification of the exhaust, truck frame, and body will most likely be needed to get this engine to fit. Solenoid Knob has 6 Settings to adjust the amount of fluid the Solenoid will dump when activated. not the correct one for the vehicle. The following information is what I've found out over time and what I encountered installing it in a 1979 Z28 Camaro. 6875 in (93. While these transmissions are respected for their durability and versatility, there always comes a point where the old transmission shows signs of wear. Subject: Powerglide to TH400 Swap ? Reply: I put a "short shaft" TH350 in my '67 Chevelle two years ago and it did not require cutting the driveshaft. The holes are "keyed" such that the adapter and "The. Studied other websites and learned of warped valve body issues. The 700 not only has an overdrive, but it also has a lock up converter in 3rd and 4th gear. General Discussion New. Automatic Overdrive Transmission Swap. I dropped it off at the mechanics and I'm hoping its done in the next day or 2. See the chart below to compare the TCI® Input Sh. Turbo 400's Converters Champions on six continents, winning hundreds of NHRA and IHRA events in North America, making the Guinness Book of World Records longest jump by a monster truck, and delivering power to the ground for the original monster truck team Big Foot, Abruzzi Racing Transmissions and Converters has a 60 year tradition of building. Call For Pricing & Options. CNC Forward Drum for Oversize Spline for Shaft Attachment. New cars and used cars, motorbikes, boats and more for sale on trademe. Part Number: FTI-F40092SP More Detail Estimated Ship Date:Loading Friday 5/8/2020 (if ordered today). The adapter goes on the crank first. It also has shorter 1st and 2nd gears than a 400. We have a whole forum dedicated to drag racing where drag racers can swap ideas and talk technical together with everything from engine tuning, fuel selection, and transmission mods to oil selection. We offer Powerglide, TH400 and 4L80E conversions that utilize the C6Z06 rear diff and for extreme race applications we have a 9in IRS setup that fits in the rear. The second option we'll be looking at is the Turbo Hydra-Matic 400 a. When dual feeding the directs (as done in this build), this sealing ring is not necessary. 3L Diesel 4 Speed Replacement. 1/4-inch locking dowels have been inserted to stop inner race movement. You will have to modify the tranny crossmember - the mounting location for the rubber pad on the tranny is about 6" back from the regular location. This four-speed overdrive trans works with just about any power level and engine combination. Appreciate the help! -Stock Th400 case -CK Performance RMVB 1st gear transbrake -4L80E Direct Drum w/ 34 element sprag -Dual feed mod with bleed hole in direct drum. 73 rear end, so all I need to complete the next drivetrain is a transmission. Hipster's Turbo 400 1+2 Trans Brake Includes: Hipster's Turbo 400 1+2 Trans Brake. Valve Kit,TH400,Factory Style Reverse Boost,No O-Rings,65-98 Vehicles with a THM 400 transmission frequently have poor line rise, soft 1-2 and/or 2-3 shifts, and/or reverse engagement difficulties. My 1985 Monte Carlo SS. The concept is fairly simple: take the gear reduction portion of one transfer case (the low-range box) and mate it to the front of a regular transfer case. This is particularly useful for heavy load vehicles that may benefit from a heavier duty transmission for dependability. The th-400 was used mostly on 350 and larger cid engines like 400, 454, etc in the 60's and 70's. Any LQ4 from an Escalade or Denali will have been mated to a 4L60e or 4L65e as well. Latest news: I put all of the a/c stuff back in! "Coolin off" My website originally started as a single web page and an easy way to share pictures of projects on my Monte SS. Racing seats and harnesses. All stall speeds are approximate, please call for more info. These are the modifications required: 1. The SC300 uses a slip yoke on the output instead of the 3 spoke flange which is why the write-ups for the swap into the SC requires drive shaft mods. Griner® G10 Pro Tree. Our machined oil pan kit is for use with variable valve timing or displacement on demand equipped engines. So I picked up an LQ4 to slowly build, and my truck already has a shortened posi 3. Using BMR’s Transmission Conversion Crossmember to swap the transmission in your F-Body takes all the guesswork out of the swap. TH400-4: Level 4 Trans-Brake TH400 TH400-4UB: Level 4 Trans-Brake TH400, with Ultra Bell. Monster Sale Price: $1,499. The industry leading cast 1+2 trans brake from Automatic Transmission Design. May 24, 2007 #22. you would be OK. What is the best way to adjust shift. I read an article that said you can get the crossmember from any g-body equipped with a 2004R and it will bolt right up to the TH400. I dropped it off at the mechanics and I'm hoping its done in the next day or 2. Heads, Cam, TH400, 100-Shot 4th Gen. Ebook How to Rebuild Modify GM Turbo 400 Transmissions (S-A Design Workbench Series) Free Read. amc engine, th400 tranny, dana 44 front axle and dana 60 rear. Custom modification of the center support. Tunnel modification can come into play on some of the smaller cars. Chevy P30 Chassis – J71 Auto Park Brake Revision Our motorhome has a 1998 Chevrolet P30 chassis with the J71 auto park brake. 915300 350 to TH400 4WD 915720 Ford 429,460 to C6/E40D - 164 Flexplate, Int. Thursday at 2:33 PM. TH400 Fits fine I ran a TH400 in my '64 2 door sedan with no mods to the tunnel. Powerhouse Racing is a manufacturer of the highest quality racing and performance parts for the Toyota Supra, the 2JZ platform and associated vehicles and motors such as Lexus IS300, Lexus, SC300, Lexus SC400, Lexus GS300, Nissan 240sx, Toyota Soarer, Toyota Arist, 2JZGTE, 2JZ-GTE, 2JZGE, 2JZ-GE. Blazer, Jimmy1992-06. Back in the mid/late 70's I replaced the original 265/Powerglide with a 327/TH-400. GM TH400 Automatic Transmission: If you have a TH400, there are three options for mating the 203 to your trans. Duplex mast FVD 33. Supposedly their truck transmissions, you can buy a slip on yoke and it should be just fine. Locate the converter charge passage in the pump cover. and its toque is 294 Nm (216 lb•ft) at 3600 rpm. Welcome to Predator Motor Corporation, International - For all inquiries call 951-259-3339 • [email protected] 15 Free postage. While these transmissions are respected for their durability and versatility, there always comes a point where the old transmission shows signs of wear. TORQUE CONVERTERS B&M offers a wide range of street torque convert-ers for the TH-400 transmission. Because torque converter charge pressure is a derivative of line pressure, increases in line pressure. It also has a forward pattern manual valve body installed but no transbrake. Make sure clip is secure and cover is seated to prevent leaks. Through my research, so far, there are two vacuum modulators for the TH400 with a 6. Valve Kit,TH400,Factory Style Reverse Boost,No O-Rings,65-98 Vehicles with a THM 400 transmission frequently have poor line rise, soft 1-2 and/or 2-3 shifts, and/or reverse engagement difficulties. Price: 38100€ Lifting height: 3. For direct bolt in, you want the short tail. "Dished" cushion plates in these units are replaced with the TH400 style plates for additional reliability. My favorite 401 build combination is with a set of Bulltear's, Wiseco's or Diamond's custom D shape -27cc dish high compression 401 pistons with the big chamber 090 or 993 heads, the Summit 8601 cam, a torker, bigger tube headers, a nice street/strip port job on the heads with roller rockers,. This rpm is often MUCH higher than you would thinklike 5k or so. 1985-1991 TH400 to 6 Bolt Round NP205 will Require a 4wd 4L80E or a 2wd 4L80E with a 4wd Output Shaft. Designed with competition in mind, this valve body has completely re-engineered fluid circuits which provide the best shifts possible. The C6 is extremely heavy on the inside; combine that with. Firebird Runs Its First 9-Second ET By Justin Fivella - December 1, 2014 We’ve been following this 4th Gen. The 2 speed Jetaway was replaced with a 3 speed TH400 several years ago. But durability is significantly increased. Hughes Performance offers 3 different control valve bodies for your specific application. Innovation NOT Imitation! 100% Crafted in Camarillo, CA. TH350/400 Governor Mods In the previous issue I explained how the governor plays the major role in determining the automatic shift points in Drive for TH350 and TH400 transmissions. 89 & you get a trans that uses a lot of powerbut it's bulletproof and I've seen stock C6s used behind huge amounts of power and live. Some guys try and use an adjustable vacuum modulator can to compensate alone. But, the 78-83 G-bodies never came with the 2004R. The TH350 was mainly factory installed with small blocks and the TH400 with big blocks and high performance and heavier duty vehicles. Each TH400 Performance Transmission is built with in-house machining and is hand assembled to deliver unbeatable performance and durability. ZF 6HP26 Transmission Rebuilds and Upgrades. It fit just fine, in fact. In 1964, when the Super Turbine 400 debuted, it was a fixed pitch design. Transmission mount might need to be moved if the transmission is the same length as the old one no moving will be needed only the proper mount will be required. 75:1 overdrive. I too had thought about going to a 4l80e or th400 and even a power glide when my transmission first let go but after having great success with my extra clutches in my rebuild and holding 760 rwhp on blower, and now spraying a 400 shot of nitrous on top of it , I have decided to keep the 6l80 in the car and that is the same thing that I suggest. I will cover intermeidate cluitch installation, direct drum assembly, forward drum assembly, pump inspection and assembly, air checks, dual feeding modifications, 34 element intermediate sprag vs. It is very important to set up the Throttle Valve (T. 940x224x025 R. 915722 Ford FE to C6/E40D - 184 Flexplate, Int. JPC- S550 TH400 Swap Package (Stage 1) $6,503. Add to Wishlist | Add to Compare; 400-34836XHD TH-400 Heavy-Duty drum with 36 element sprag. It is not a good idea to reuse your old oring, so we have included one for you. Some guys try and use an adjustable vacuum modulator can to compensate alone. It was introduced for the 1965 model year and made its debut in Cadillacs, and is respected for its durability and adaptability. That's why it's not a good idea to run a trans with no/low pressure to modulator. i am in the process of lifting the truck. Personally I would install a Transgo reprogramming kit. IT is also 6 bolt as opposed to the 4 bolts of the TH350. Turbo 400 transmission chrome dipstick with O-ring seal for GM TH400 auto transmissions. Does anyone have experience tuning the shift points on their 700R4 trans. Actual weight and HP loss difference more than make up for 1 less gear in most cases. So the pressure pushes the convertor forward into the motor, causing thrust failure. The 1-2 shift valve modification is to make the TH400 valve body a manual/auto or full manual setup. Hand selected core unit;. SITRANS TH400 PROFIBUS® PA 6 Configuration Manual, 09/2013, A5E01039143-022 Information The contents of these instructions shall not become part of or modify any prior or existing agreement, commitment or legal relationship. Direct bolt in, no modifications required to the transmission. The first version is our automatic/manual valve body, installed on all of our "-1" street/strip transmissions. He sold me a valve body for the TH-400 that he said he modified based on an article in Hot Rod magizine. Some bracket modification may be required. Refer to figure 2. This rpm is often MUCH higher than you would thinklike 5k or so. Designed for high horsepower pro-street and off-road applicatio…. Performance Parts. Position Name Price. Often there is quite a bit of money to be saved by refurbishing what you already have or what may be available on the second hand market. The 400 is extremely strong and reliable even whthout modification. I made an appointment for a couple of weeks later. They may also include custom modifications to dual-feed the direct clutches in a manner similar to that of the TH400. I agree the TH400 tranny are pretty good on their own. How to Rebuild & Modify GM Turbo 400 Transmissions, a book by Cliff Ruggles. The TV cable on the 700R4 and 200-4R transmissions controls line pressure, shift points, shift feel, part throttle downshifts, and detent (full throttle) downshifts. Subject: Powerglide to TH400 Swap ? Reply: I put a "short shaft" TH350 in my '67 Chevelle two years ago and it did not require cutting the driveshaft. The only transmission used with the Quadra-Trac was the General Motors TH400 three-speed automatic with a bellhousing pattern unique to the AMC engines. TH400 Rebuild Kit TH-400 Master Overhaul Banner Box Set Automatic Transmission 3L80 GM OPT Product Code: OPT-TH400-RB. Hipster's Turbo 400 1+2 Trans Brake Includes: Hipster's Turbo 400 1+2 Trans Brake. All repair procedures are supported by detailed specifications, exploded views, and photographs. It will dual feed the direct clutches without tearing into the trans, opens the feed holes for fimer shifts, changes the accumlator valve spring for firmer shifts, and can increase line pressure. Fast, Consistent Reliability & Serviceability. Application:. technicalvideos. Crossmembers rake the front spring 6 degrees for correct front end geometry. Note 1: The Japanese twin turbo uses ceramic (exhaust side only) shafts which can be replaced with no modifications by the steel CT20A (large version) turbine shafts. Back in the mid/late 70's I replaced the original 265/Powerglide with a 327/TH-400. Aftermarket building techniques take it well past that figure. How to Rebuild and Modify GM Turbo 400 Transmissions is the first-ever all-color rebuild and modify book on GM Turbo 400 transmissions. Anything G-BODY RELATED that does NOT fit anywhere else. The Turbo 400 was introduced in 1964 in Buick and. TH400 – Jake’s Performance. Just upgrade the supercharger all the way up to a monster 4. Watch how easy it is to clean our cans. TH400 is the stronger of the two, I have towed with both trannies, with a good cooler and keep it in 3rd gear you will be fine. This valve body includes directions and wiring instructions. Many TH400s use a roller-type clutch at this location instead of the sprag-type clutch. “Dished” cushion plates in these units are replaced with the TH400 style plates for additional reliability. Yes the 350 will bolt up to the th-400 just like the 305 did. not the correct one for the vehicle. If Brangers Racing Performance and Machine doesn't have it, we will get it. The back of the sills is a very complex construction and includes the rear axle radius arm mount, this is a sod to rebuild but for racing it can be simpler to just cut the whole lot out and weld in a simple sill and convert the radius arms to a ‘cotton reel’ bushed rod that is mounted into a. It probably stems from my days of overclocking my computers – always in search of the best tweak, enhancement or other improvement that would improve my overall computing experience. I will keep you posted, on that subject. Easy to tell next to a 350 - the part the drive shaft slips into will be the same length. the truck is still under construcion. Once installed into the 700R4, the output side of the 700R4 looks identical to a 4WD TH400 that is being replaced. Introduced in 1964, the TH400 is an automatic shift, three-speed, longitudinally positioned transmission. This is a big block Chevy style pump that is designed to fit on big block Chevy engines and provides more pressure than a regular high volume or high pressure pump. and its toque is 294 Nm (216 lb•ft) at 3600 rpm. It is fairly simple to make a 4L60E harness from a 99-07 1/2 ton 5. Designed with competition in mind, this valve body has completely re-engineered fluid circuits which provide the best shifts possible. 31 mm) for early Rockets, 3.

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