Th400 Modifications

5-inch tire car into the 4-second range or a Pro Mod over 270 mph. TH400 Heavy Duty Pressure Relief Spring 400-224300. tc104x 17,448 views. 23:1 differentials were found in many of the W-32's. The specialty jeep TH400 case is 24 1/2 inches long. Personally I would install a Transgo reprogramming kit. BTE's aluminum direct drum, Vasco input shaft, and valve bodies have been used by transmission builders around the world to improve the strength of their turbo 400 transmissions. The Th400's use a larger u-joint than the 700R4's do so that's why I am having a problem. TH400 swap from th350. My grandpa purchased a 1977 Chevy Silverado Camper Special brand new back in 1977. Install small shiny spring on modulator valve and install valve into case. I purchased the kickdown switch bracket and a. Pontiac Be 1969-70 Ram Air 4 GTO & Trans Am. I had to modify my set up to get the right pitch and make the cable work. 86071 - TH350/TH400 Polished Aluminum Converter Cover with Fins Add a durable, custom touch to your engine with a polished and finned aluminum dust cover on your transmission. Extra tight near the oil filter. TH400 Transbrake Valve body. 04-20-2007, 12:04 PM. Both books together gave me the confidence to rebuild my own TH400. Runs and drives great. Edelbrock is the most respected name in performance! Since 1938, Edelbrock has manufactured its core products in the USA for quality and performance. ATI's Turbo 400 Drag Racing Transmission. TH400 Transmission Build - Turbo 400 Revival Unstoppable Auto Tranny. If line pressure is still indexed to manifold vacuum no mods to the boost valve need to be performed. The document has moved here. Racing seats and harnesses. 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. The Turbo 400 arrived in most Chevrolet vehicles in 1965 and in the Corvette in 1968. It is very important to set up the Throttle Valve (T. Helps some but not the real solution. Divorce causes sacrifice for only $14,900. Stage III TH400/Z32 Speed Sensor. I'm not a mechanic, but mechanically inclined. The big-block 396ci engine was upgraded and modernized with a super-performance Holley Sniper fuel injection system, including a new MSD electronic ignition. Essentially a TH400 with overdrive and more rugged internals, the GM 4L85E is the ultimate automatic. All transmissions are "overdrive" except Richmond Gear Street 5-speed. * This is a 100% bolt-in product. We specialize in GM rear wheel drive transmissions for rock crawlers, prerunners, ultra4, trophy trucks and many more. Well, that is partially true. Specs: 12 Diameter Fixed pitch stator 30-spline input 3-lug mount Note: Certain models offered a choice between fixed or variable stator torque converters, you can easilly distinguish between the two by counting the wiring nodes on the transmission housing, one wire. I would recommend against the above mods. OK, on item #1. Griner T-400 Pro-Tree Safety Neutral w/Brake & Intermediate Sprag. I purchased the kickdown switch bracket and a. 2007 to 2009 Vortec 4. It has new clutches and steels, with extra clutches in each stack, Hughes transbrake valve body, high flow pump, dual feed direct modification done, 34 element sprag, HD snap ring for 2nd gear, case saver/brace installed, HD center support with case ring, deep pan, and all new seals and gaskets roller bearings in place of thrust. I'm not a mechanic, but mechanically inclined. Factory fog. Over the last 50 years, literally millions of GM cars and trucks have been built with Turbo 400 automatic transmissions. They started making Rochester Quadrajet 4 barrel carburetors in 1965. In addition to those mods, PA also added a new transmission pan and drain plug. Can anyone shine some light on this who has done the swap before. I know, in your chart it shows the TH400 w/the 4" tail is the same dimension as the TH350 which is the same as all the 4 speeds on my list. TH400-2 Speed Transbrake. Hughes Performance specializes in rebuilding and repairing transmissions and torque converters. A good example of this is the 34-element intermediate sprag assembly in the TH400 and 4L80E transmissions. Well, as a side note, the transmission doesn't shift right, the wag will barely move sometimes, so I have a pretty good reason to blame the modulator. It also has a forward pattern manual valve body installed but no transbrake. If I remember correctly some where in the early 80's they modified the torque converters to solve this problem. There are a number combinations that can enhance your 700R4's performance. modifications shown here, and the prop-er caliber of torque converter, 700 lb. Stage 3 mods: Engine balancing & blueprinting, Adding or Upgrading forced induction (turbo/supercharger), Crank and Piston upgrades to alter compression, Competition cam, Twin charging conversions, Internal engine upgrades (head flowing porting/bigger valves). Edelbrock is the most respected name in performance! Since 1938, Edelbrock has manufactured its core products in the USA for quality and performance. As such, the WOT shift points and the part throttle shift points will always be proportional. From1965-1979 Most will have 7/8 inch 20 fuel inlet till 1971 and 1 inch 20 after. The biggest highlight of the Stage II packages is the forward and direct drum each carrying five Alto Red high. AUTOMATIC TRANSMISSION FLUID: The owner's manual specifies Dexron II automatic transmission fluid for the GM400 transmission. 5" longer, and I know I would have to modify the existing driveshaft in the truck as it's a bolt on type. The W-32 cars had more performance options than a regular SX. Turbo 400 Performance Racing Transmission Parts by FTI Performance. I ended up getting a low mileage 4l60e from a salvage yard 2 hours away. 08:1 and the 3. PATC is on the cutting edge of performance rear wheel drive American transmission development. Welcome to TBI CHIPS throttle body injection services. DR Z20061 w/ packet of fasteners TH350 and TH400 $21. Designed in-house at ATI, and cast here in theUSA, and machined at ATI on 4-Axis Horizontal CNC machines, the T400 SuperCase features improved fluid pathways to assure better performance and will accept any of ATI’s SFI bellhousings, along with the Reid bell (with slight modifications) and Browell cans. Gas pedal modification for Th400 KDS?? Thread starter Sargewesser; Start date Feb 11, 2020; S. Ford Modification Forums - Ford Modifications Website. TH-400 2004R / 700R4 4L60E / 4L65E 4L80E Ford Transmissions C-4 / C-6 AOD / 4R70W / 4R100 AODE / E4OD Chrysler Transmissions 904/727/500/518 Check with Art for Winters Performance Shifters! Welcome to Art Carr's CP Transmission. The intake manifold was smaller than other LS manifolds and reversed, placing the throttle body over the flexplate. Is a TH400 a 3 speed or a 4 speed??? TH700/208 - This trans is definately the best unit out of the 3 in terms of functionality, but it's mated to a NP208. That truck had a 454 big block engine and a TH400 transmission in it. 88 pulley, Mak Performance 4" inlet pipe, Vortech Bap, Stock Cams, Livernois Valve springs, Id-1050x Injectors, Reische 170 degree thermostat, Tial 50 mm Bov, Gt-350 intake manifold & t. This transmission is known more commonly by the name TH400, although it did receive another name change in the late 80s, adopting the name 3L80. 50 at 190 mph in Ken Cruz’s SBC 1997 blown alcohol Pontiac firebird. The transmission pattern is standard TH400, which means a Chevy or a Buick/Olds/Pontiac TH400 can be adapted to the case using factory parts; only the output shaft of the transmission needs to be switched to the Quadra-Trac style. Jump to Latest Follow 1 - 8 of 8 Posts. Finding TMZ Performance was like a godsend for me and my race team. 58 so if i did such and then put in 3. We have extensive experience building the TH400 for all types of applications. This transmission has already proven to break records in Outlaw Radial Tire Class, Pro-Modified Class and Outlaw X-275 Class. TH350/400 Shift Point Adjustment The 3 speed Turbohydramatic 350 and its big brother the TH400 were some of GM's most widely used automatic transmissions from the mid 60's through the early 80's. Superchargers, pulleys and suspension upgrades are all available. The result is a perfect no leak seal from rings that w on't wear out like. I had to modify my set up to get the right pitch and make the cable work. Distributors and manufactures of all go fast parts to suite EB to BA Falcon. - Email for quotes on goods needed. 09 GMC Sierra 1500 X-Cab Short Bed 4. Weather it is a drag racing, circle track, offroad or street. The 4L80E is just a longer, heavier, overdrive version of the. 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. 2 Harness Information - New Harness Modification INFO added 11/6/2012! ECM Info HERE! 2010 to 2011 Camaro L99 - LS3 Information, Wiring, and so on. Over the last 50 years, literally millions of GM cars and trucks have been built with Turbo 400 automatic transmissions. Call for assistance. Home of the world's quickest Gen 3 Hemi. Subject: 66 POWERGLIDE conversion to TH400: Reply: Did the same for a while in my 66 impala ss. I plan to run a 2004R with some 3. 00 add to cart; 031755hp power pack th400 th-400 red eagle forward performance 1964-1995 $ 100. 3 sealing rings. Turbo 400 Rebuilding Tips and Tricks How To Make A TH400 Survive. REFERENCE NO. The dual-feed modification increases the holding power of the direct clutches and is a very good modification. The workhorse of all 3 speeds! Originally released in 1964, The TH400 has proven again and again to be an ideal racing automatic. In this video we mod the th400 transmission to shift better then before! She kicks into gear like a mule now! Just how I wanted!. 1986 S10 PU "SCLB" 2WD 355. Let us show you the way. The whole trans has to come apart to change the output shaft (it's the first thing to go in the empty case). Open 24x7 - Same Day Shipping! Save $10 off $399, $15 off $599, $25 off $799, $100 off $1,699 Orders. I just wanted to know what modifications i should do to my Turbo 400 transmission since i will be taking it out of my car. Proper installation of this kit can greatly improve peak performance and drivability of your vehicle. And since the Turbo 400 does not rely on computer controls, it was adapted to a wide range of configurations. It also contains further information and additional diagrams for identification of exact type of TCC and valve solenoid wiring for your application. BY20400 Torkmaster 2000 TH350/TH400 £240. Because TCI®’s TH-350, TH-400 and TH-700R4 Shift Point Adjustment Kit contains several shift point combinations it is important for you to record certain data. ATI has T400 street rod and drag race transmssions for vehicles making 600 horsepower to 3,000 horsepower!. The 4L80E was introduced by GM in 1991 to replace the rugged, but aging 3 speed TH-400. Only modification is the change for the linkage to card hook-up. Kits will require some degree of drive line modifications. what type of convertor will need to be used? 7. CT Solutions CT0904 TH400 GOVERNOR GEAR REPAIR KIT Turbo 400 Transmission - Order Only From Seller CT SOLUTIONS to Assure Correct and Quality Product. For the $100 more, get the anti balloon plate. 625", respectively) and the main journal size ( 2. Turbo 400 I talked to a local transmission guy who said he just installed a turbo 400 in a nova wagon he said it took a very very large hammer, then told me he runs a turbo 350 in his 67 camaro that runs in the 12s with 550 hp with some mods to the sprag and borg warner clutches. Th400 modifications Th400 modifications. There is an IDA fiberglass body wrapping itself around all that polished aluminum! Peaking around inside you will see the gorgeous dash pad with the VDO gauges placed perfectly in there. Blowing out the top in the front is the 350ci V8 with a 671 Blower engine that is partnered up with the 3 - speed TH400 automatic transmission. Add to Cart. How to Rebuild/Modify GM Turbo 400 Transmissions by CarTech. Turbo Action all new CHEETAH XtremeAction Valve Bodies will set a new standard of performance for race and the street. The light-duty Turbo-Hydramatic 350 three-speed automatic arrived in 1969. Third Gen Camaro Big Block Engine Swap: Third Generation (1982-1992) Camaro engine swap The theme here is big is better. Using a small, fine tooth, flat file, increase the amount of chamfer to approximately. Both theory and in depth detail. TH400 Transmission Build - Turbo 400 Revival Unstoppable Auto Tranny. Re: Lockup torque converter for a TH400? 02/15/2010 1:52 PM Put in a 4L60E or 4L80E with a stand alone controller. GM 4L80E transmissions are often overlooked, yet is a top-rated leading option. Turbo 400 on sale with Free Shipping, Now offering TH400, TH-400, Monster 400 Transmission, racing Th400 and racing Turbo 400 with new lower prices. The CUCV (Commercial Utility Cargo Vehicle) was manufactured by General Motors for the U. The valve body may spring down slightly. Already I am getting ideas for modifications such as lowering the front and ducting cold air to the engine. The 4L80E was introduced by GM in 1991 to replace the rugged, but aging 3 speed TH-400. 00 Lifetime Freshen up for original purchaser. The governor is located at the rear of the main trans case on the driver side on a TH 350 and passenger side on a TH400. 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 TCI valve bodies are 100% quality checked for proper function and, where applicable, proper operating pressures on a dedicated valve body hydraulic test machine. The BDE TH400 kit is organized into stages to allow you to choose only the components needed or customize to your liking. The TH400 is an automatic shift, three-speed, longitudinally positioned transmission. Factory fog. “Dished” cushion plates in these units are replaced with the TH400 style plates for additional reliability. Because of the different casting numbers and bolt patterns. This particular edition is in a Paperback format. While these transmissions are respected for their durability and versatility, there always comes a point where the old transmission shows signs of wear. Subject: 66 POWERGLIDE conversion to TH400: Reply: Did the same for a while in my 66 impala ss. Which one is better overall and why?. Runs and drives great. Turbo 400 I talked to a local transmission guy who said he just installed a turbo 400 in a nova wagon he said it took a very very large hammer, then told me he runs a turbo 350 in his 67 camaro that runs in the 12s with 550 hp with some mods to the sprag and borg warner clutches. tc104x 17,448 views. The guy I bought the car from said to only use "type F" fluid in the TH400. 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. With the oil pump turning at. 2001 Vortec 8. The pinion angle changes because the lenght of the tranny so you must shim the rear end pinion down with traction bar shims 4 degrees will do it. You can think of this trans as basically a TH400 with a 25 percent overdrive tacked on. 58 so if i did such and then put in 3. The related update manual is also recommended for further manufacturer upgrades and mid-year modifications, especially for 1987 models as many changes were made this year. Most 4-wheel drive vehicles will require modification to the suspension and/or lift kit for additional OM617 engine clearance due to factory oil pan design. How to Rebuild and Modify GM Turbo 400 Transmissions is the first-ever all-color rebuild and modify book on GM Turbo 400 transmissions. Mods: 5000K 35W hid's, K&N drop in filter, Magnaflow high flow cat, MSD coil. This particular edition is in a Paperback format. Multiple warehouse locations in Las Vegas and the East Coast gets you transmission parts fast. If it's a reverse, it could be the same as what happened to me with my TH400 and my Hurst Promatic Ratchet. 05-08-09 12:37 AM - Post# 1693594 I need a front pump for the TH400 transmission. We first start by parallel decking the pump halves to a perfect 90° center line of Stator. Vega/LT1 Conversion Tips: A collection of information. Check valve phasing when solenoid is applied and released. TH400 Transbrake Valve body. 0 out of 5 stars 4. Driveshaft modifications will me needed 5. Jeff Smith: The physical part of bolting this transmission in the car will be easy. Both books together gave me the confidence to rebuild my own TH400. The TH400's spinoff, the 4LE80-E (WAY heavier that a TH 400- 250+ lbs with converter) is overdriven and has a lockup converter, and is strong as hell but is costly and must have a computer to run it. Afe dry flow air filter. Undercover se tonneau cover. See More. New TH400 filter for the years 1964 1965 1966 and early 1967. I found some on JEGS and Summit, but i don't know if they will fit. This four-speed overdrive trans works with just about any power level and engine combination. M21, TH350, and Powerglide all fit the '68-'74 Nova without modifications, and I'd imagine the TH400 would, too, since they were available from the factory. Hi Guys, Im looking to instal headers on my GP. Turbo-Hydramatic 400 Valvebody Modifications Modifications to Turbo 400 Valvebody & plate. I put in a 455 with a TH400 in my 1981 so yes, you are right about the shifter linkage. 2017-11-20 - How to Rebuild and Modify Ford Flathead V8 Engine 1939-1953 Car Truck Mercury FOR SALE • CAD $37. The Turbo 400 arrived in most Chevrolet vehicles in 1965 and in the Corvette in 1968. Use of this site constitutes acceptance of our user agreement (effective 8/21/16) and privacy policy (effective 8/21/16). No modifications to the dip stick are nec- essary and a fluid pickup extension is provided. 90/10 front shocks / stock front suspension - Rear 12 blt Chvy 4:10. The TH400 has a over-ride shift that will shift out of low gear even if you have manually selected low. Th400 vs 4L80E Differences April 19, 2018 January 29, 2018 by Jason Clearly, the biggest difference between the TH400 vs 4L80E is the 4L80E’s overdrive gear. Corvette L88 Turbo 400, LS5 & LS6 454 Chevelle be the best if found NOS. The Turbo 400 can also be rebuilt at home, but there isn’t time or space to cover all the specifics here. SITRANS TH400 8 Operating Instructions, 03/2014, A5E01018688-03 WARNING Improper device modifications Danger to personnel, system and environment can result from modifications to the device, particularly in hazardous areas. GM 4L80E transmissions are often overlooked, yet is a top-rated leading option. NO CHECKS ACCEPTED. Chevy's Turbo Hydramatic 400 (TH400) transmission is one of those legendary pieces of equipment that helped to define the muscle-car generation, and it continues to be one of the most common and highly regarded transmissions in today's enthusiast market. A glide would likely be fine but a 3 speed tends to suit a smaller capacity engine a little better and doesn't need as elastic a converter. Locate the converter charge passage in the pump cover. The fact that it is not electrically actuated by solenoids means it requires other apparatus to regulate shift points. Is a TH400 a 3 speed or a 4 speed??? TH700/208 - This trans is definately the best unit out of the 3 in terms of functionality, but it's mated to a NP208. This four-speed overdrive trans works with just about any power level and engine combination. TH400 Transbrake Valve body. I put in a 455 with a TH400 in my 1981 so yes, you are right about the shifter linkage. 67 1800-2200rpm stall- small flex plate BY20404 Torkmaster 2400 TH350/TH400 £294. Includes ten Teflon rings. These are the modifications required: 1. CT Solutions CT0904 TH400 GOVERNOR GEAR REPAIR KIT Turbo 400 Transmission - Order Only From Seller CT SOLUTIONS to Assure Correct and Quality Product. GM 4L80E transmissions are often overlooked, yet is a top-rated leading option. Engine to Transmission Adapters. Bellhousing, Case and Valve Body options available. Remanufactured torque converter to replace damaged, nonfunctional or missing original for your Turbo-Hydramatic 400 transmission. With some modification to the 2 mount bolt holes on the crossmember this extension housing can eliminate crossmember modifications when replacing a TH400 with a 4 inch tail, 9 inch tail with a 27 spline output shaft or 200-4R transmission with a 700R4 assembly. 4L60E Modifications. TH400 Performance Automatic Transmissions and Parts from PATC. 1 Speedmaster - PCE542. Print Product. 00 add to cart; 031755hp power pack th400 th-400 red eagle forward performance 1964-1995 $ 100. 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. Personally I would install a Transgo reprogramming kit. The following modification should be performed on all TH400 transmissions with increased or fixed line pressure to reduce converter charge pressure to a safe level. The car will run a TH400 and I want to let it shift on it's own. In addition to those mods, PA also added a new transmission pan and drain plug. FTI Performance TH400-4. Ford Modification Forums - Ford Modifications Website. aluminum fins means better cooling, and more cooling means. TH350/700-R4 to TH400 Convert Kit. Turbo 400 will do a 1-2-3 shift with it disconnected. TH400 swap from th350. The guy I bought the car from said to only use "type F" fluid in the TH400. However, the CJ5 has to narrow of a wheelbase to accommodate it. Quadra-Trac BW1339 (with Low) 4" Rusty's lift with 31" Summit Mud Dawgs Mods: Fuel Tank, Red Holley Fuel Pump, Razor Grill (profile pic out dated), Rebuilt steering box. Plus I don't have a tranny to take apart and look at right now or a fluid diagram to look at. government from 1984-1986. Crossmember mods will be needed to accomodate the different length of the transmission. I nputs can be banged out day after day. The gentleman only wanted the car, not the drivetrain. No problem with linkage. No core charge. Horsepower requirements for some transmissions. 1973 Camaro Factory OptionsRear-end Code Example: GYG100DE (Chevy sourced 3. Pump modifications for TH400? Thread starter Doug Jacobson; Start date Mar 2, 2003; D. modifications shown here, and the prop-er caliber of torque converter, 700 lb. Will need a throttle valve cable bracket on the motor. BY20400 Torkmaster 2000 TH350/TH400 £240. * This is a 100% bolt-in product. 6-piece ring kit--Fits all GM Turbo Hydra-matic 400 series automatic transmissions. Turbo 400 uses 32 spline. There was an older transmission guy who used to stop by my best friend's father's gas station. tc104x 17,448 views. - Email for quotes on goods needed. Heads, Cam, TH400, 100-Shot 4th Gen. Turbo 400 - Proformance Racing Transmissions | New ST400 Pro-Mod - Big Shaft 400s ! We are now offering large shaft ST400s (Super Turbo) in both 3 speed & 2 speed versions, these 400s are now able to withstand the most brutal combinations from Big CI Multi Stage N2O, Screw/Roots Blown Alky, ProCharger Gas or Alky, Big CI Twin Turbo Gas & Twin Turbo Alky !. B & M transmissions was selling a TH 400 Shift governor spring & weight kit. First, record your vehicle’s performance before you make any modifications. (Left) The Reid Racing TH400 extension housing. It's come time to change the fluid, and I was thinking of using Jiffy Lube (under my supervision of course) to perform their new flushing technique when changing the fluid. The ultimate Ford 351962753323. Upgrade your ride from bias to radial tires and learn how to build your own beadlock rim for your 4x4. Blowing out the top in the front is the 350ci V8 with a 671 Blower engine that is partnered up with the 3 - speed TH400 automatic transmission. 1979-83 Carbed Turbo Recipes: Carbed Turbo Regals 1978-1983. Naturally, the Turbo 400 was our first and only choice with our Evil 8. When retrofitted into early muscle cars, these trannys require the pressure switch to be changed and a few wires rerouted. If anyone has done the same or similar, please reply with any mishaps, problems or even good news! Every time I peer into my engine bay I see that crazy stock oil filter setup and a distinct. DO NOT install any gaskets on the case or valvebody! Install. We first start by parallel decking the pump halves to a perfect 90° center line of Stator. OE and aftermarket Powerglide cases have something in common. Over the last 50 years, literally millions of GM cars and trucks have been built with Turbo 400 automatic transmissions. Maximum Offroad Transmissions was established. I bought my car built, with a TH400 and trans cooler. Balance 915723 Ford FE to C6/E40D - 184 Flex, Ext. When it comes to full-size 4x4 trucks and SUVs, the General Motors Turbo. Locate the converter charge passage in the pump cover. th400 direct clutch plate kit (6), high energy waffle, use 6 clutch drum. stock 16 element and later roller clutch as well as various assembly tips to improve the TH400. Turbo 400 Performance Racing Transmissions by FTI Performance - FTI Level 4 TH400 Performance Racing Transmissions are built with Unbeatable Performance & Durability. As the drive shaft shortening and modification is going to cost me $200, my total so far has just hit $1500. The spine area has been increased in size by 15% to provide greater drum/shaft contact and more strength. INTRODUCTION THM 400 1 No part of any ATSG publication may be reproduced, stored in any retrieval system or transmitted in any form or by any means, including but not limited to electronic, mechanical, photocopying, recording or otherwise,. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the express prior written permission of Engaged Media. How to Rebuild & Modify GM Turbo 400 Transmissions by Cliff Ruggles, 9781934709207, available at Book Depository with free delivery worldwide. i was told you can gain 40 hp off of opening that exhaust up and around 10-15 by opening the shaker so say you get all of 45 out of doing this and then depending on your rear end gears (mine is a 2. TH400 front pump question TH400 front pump question. Made in USA. Buy How to Rebuild & Modify GM Turbo 400 Transmissions (S-A Design Workbench Series) by Cliff Ruggles (ISBN: 9781934709207) from Amazon's Book Store. PRefer to get text or call Dont check emails. The BDE TH400 kit is organized into stages to allow you to choose only the components needed or customize to your liking. Hughes Performance specializes in rebuilding and repairing transmissions and torque converters. modifications shown here, and the prop-er caliber of torque converter, 700 lb. The Turbo 400 arrived in most Chevrolet vehicles in 1965 and in the Corvette in 1968. 73 rear end, so all I need to complete the next drivetrain is a transmission. BTE’s aluminum direct drum, Vasco input shaft, and valve bodies have been used by transmission builders around the world to improve the strength of their turbo 400 transmissions. If line pressure is still indexed to manifold vacuum no mods to the boost valve need to be performed. We swapped a big block Chevy into the car a few years ago with a TH-400 transmission and now I'd like to add an overdrive transmission. Mods: 350 chevy V8 Turbo 400 auto tranny NP205 transfer case Dana 60 front axle 4. Valve body mods, automatic shifts. I also purchased "How to Rebuild & Modify GM Turbo 400 Transmissions" Not as detailed, but better pictures and to the point. No modification is required. Why the turbo 400 and not a glide? Both TH400 and Glide are 1:1 top gear. GM 200-4R transmissions definitely haven't gotten very much attention, however, don't be discouraged by what these automatic trans can do in terms of performance. Actual weight and HP loss difference more than make up for 1 less gear in most cases. Aluminum interior. i was told you can gain 40 hp off of opening that exhaust up and around 10-15 by opening the shaker so say you get all of 45 out of doing this and then depending on your rear end gears (mine is a 2. Valve Bodies - Hughes Performance […]. forward drum with TCS input shaft made from 300 Maraging steel. Turbo-Hydramatic 400 Valvebody Modifications Modifications to Turbo 400 Valvebody & plate. To remove the valve body, pull down on the valve body and governor tubes at the same time. When it comes to full-size 4x4 trucks and SUVs, the General Motors Turbo. PUM01 800A Pump, 8 Bolt(Body Cast # 895, Stator Cast # 896) 64-98 1 TH400. 50 at 190 mph in Ken Cruz’s SBC 1997 blown alcohol Pontiac firebird. THE TRANSMISSION SUPERSTORE. Back in the mid/late 70's I replaced the original 265/Powerglide with a 327/TH-400. Over ten years have passed since then, and it's grown to over two dozen web pages covering various Monte Carlo projects with links for each page below. We offer a custom flexplate to fit a TH400 and a crank spacer that compensates for the shorter engine crank. (No Output Shaft Modifications are Necessary) All 2wd and some 4wd 4L80E have VSS Sensors built into the transmission. 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. Locate the converter charge passage in the pump cover. 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). Turbo 400 uses 32 spline. Under the OPT line, we proudly feature top brand name components from companies such as BorgWarner, Raybestos, Alto, Transtec, Allomatic, Filtran, and other OEM suppliers. 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. TH400 transmission code is CY and is stamped on a tag which is riveted to transmission case. Thank you for visiting the T-Bucket Forums! This site was created in 2006, to provide enthusiasts with a place to discuss T-Buckets. The governor assembly is contained under a sheet metal cover on the right rear side of the transmission, and there is an access cover under the carpet of the XJ-S to get to it. We are the exclusive makers of the power glide electric up shift valve body. 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. Stage I Adapter Plate and Bellhousing Modifications. My odl car had a TH350 with a manual valve body so there was not problems shifting obviously. It is a R4-4MV or 4MC They can have a divorce choke (remote choke which means the choke is located on the intake manifold ) or Electric Choke (located on the side of the carburetor). A glide will almost always be faster than a TH400, if you have enough converter for your combo and the gear ratio is close. DR Z20061 w/ packet of fasteners TH350 and TH400 $21. 4 How do I modify my tachometer? 9. The transmission is the same length as the turbo 350, but the trans mount is on the very end of the transmission so the cross member will need to be moved back about 5". From Hot Rods to Pro-Mods, the TH400 can be built in many combinations. 00 add to cart; 031755hp power pack th400 th-400 red eagle forward performance 1964-1995 $ 100. Print Product. [Archive] Th400 Transmission Modulator General FSJ Tech. Over ten years have passed since then, and it's grown to over two dozen web pages covering various Monte Carlo projects with links for each page below. The valve body may spring down slightly. Jump to Latest Follow 1 - 8 of 8 Posts. When the engine is under load and vac is low, the line pressure in the trans will go up. But durability is significantly increased. 1979-83 Carbed Turbo Recipes: Carbed Turbo Regals 1978-1983. The TH400 AMC case was used until the end of 1979 model production. Going to use a Titan bell adapter. TRANSMISSION EXCHANGE CO is located at 1803 NE MLKing Blvd. 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. 86 BY4559 26-36” inside rails -3” drop inc mount £89. Turbo 400 will do a 1-2-3 shift with it disconnected. Many TH400s use a roller-type clutch at this location instead of the sprag-type clutch. Free Shipping on All Transmission Parts & Rebuild Kits Orders Over $35. (Left) The Reid Racing TH400 extension housing. [Archive] Th400 Transmission Modulator General FSJ Tech. Hi Guys, Im looking to instal headers on my GP. OIL PUMP MODIFICATION - OF-201 A modification for your oil pump to reduce the flow restriction on the intake side to eliminate cavitation of the oil pump at high speed. After you must modify the cross member to accept the GM mount. Book Summary: The title of this book is How to Work with and Modify the Turbo Hydra-Matic 400 Transmission (Motorbooks Workshop) and it was written by Ron Sessions. A forum community dedicated to custom off-road vehicle owners and enthusiasts. 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. Bellhousing, Case and Valve Body options available. Thank God I'm rebuilding this 700R4 myself. X-Large 36. Made in USA. This case is for the hard to find big bearing. There are a number combinations that can enhance your 700R4's performance. The most common of those, at least with the older GM cars, is the Turbo-Hydramatic (TH) 350, TH400, and 700R4. 3 more bolts secure the underside of the inner fender to the grill. Thread starter 502NDMP; Start date Feb 14, 2020; Through my research, so far, there are two vacuum modulators for the TH400 with a 6. The Turbo 400 arrived in most Chevrolet vehicles in 1965 and in the Corvette in 1968. Although they come from different eras, there is quite a bit that these two transmissions have in common. Does not fit Jeep CJ7 model. Both the 2004R and 700R4 use a lockup-style torque converter that requires 12 volts and a pressure switch to lock up in Fourth gear. Big Block Engines and Related Parts. The TH400 has recently become one of the best selling transmissions for high horsepower racing setups thanks to many new product designs. This unit is rated to 400HP/450 lbs of TQ and is available in both Chevy and Buick, Olds, Pontiac and Cadillac applications. If we don't have one in stock we can build yours. Cast iron is what most kits will contain, and what was used stock in most TH400's. Aftermarket building techniques take it well past that figure. Pontiac Be 1969-70 Ram Air 4 GTO & Trans Am. Add dual air horns to your ride with this kit from PacBrake designed to work in conjunction with an existing air compressor. The turbo 35o tranny runs a cable linkage rather than the. Rebuilding the Turbo Hydra-Matic 400 transmission is not particularly difficult, but it requires care and attention to detail, and this is where How To Rebuild & Modify GM Turbo 400 Transmissions comes in. Upgrade your ride from bias to radial tires and learn how to build your own beadlock rim for your 4x4. TH400 swap from th350. Jeff Smith: The physical part of bolting this transmission in the car will be easy. Stage II TH400/Z32 Crossmember. Distributors and manufactures of all go fast parts to suite EB to BA Falcon. It sends 12 volts to a connector on the side of a TH-400 case during full throttle conditions. The turbo 35o tranny runs a cable linkage rather than the. And since the Turbo 400 does not rely on computer controls, it was adapted to a wide range of configurations. Horsepower requirements for some transmissions. Proper installation of this kit can greatly improve peak performance and drivability of your vehicle. The related update manual is also recommended for further manufacturer upgrades and mid-year modifications, especially for 1987 models as many changes were made this year. This allows the engine and transmission to be placed straight and not at the angle like the OEM. The answer for installing a T-45, T-56, T-56 Magnum, T-56XL, TR-3650 or TH-400 in your Fox body. YEAR PART NO. Some guys try and use an adjustable vacuum modulator can to compensate alone. CUCV Technical Info Here is information I have collected while working on my m1009, but this information can be used for m1008,m1028, m1028A, and any of the cucv series. I bought my car built, with a TH400 and trans cooler. Title: GM Turbo 400 Transmissions Part Type: Reference Book. TH350/400 Shift Point Adjustment The 3 speed Turbohydramatic 350 and its big brother the TH400 were some of GM's most widely used automatic transmissions from the mid 60's through the early 80's. Remove these and save for later. Both books together gave me the confidence to rebuild my own TH400. Re: 4L60E to TH400 question Feb 20 2017, 3:43am If you put a 40 tooth reluctor on the output shaft and run the corresponding pickup from an 80s/90s TPI car or TBI truck it should send the correct VSS signal to the PCM. The TH350 is not quite as strong as the TH400 is, but has less rotating weight and therefore soaks less power. In addition, our technicians are dedicated to providing quality customer service and application assistance. Th400 modifications Th400 modifications. We specialize in GM rear wheel drive transmissions for rock crawlers, prerunners, ultra4, trophy trucks and many more. Enthusiasts have embraced the GM Turbo 400 automatics for years, and the popularity of these transmissions is not slowing down. Weather it is a drag racing, circle track, offroad or street. Turbo 400 Performance Racing Transmission Parts by FTI Performance. FTI Performance TH400-4. This is part of the reason we selected the Rolls Automatic over the standard Chevrolet TH-400 Automatic. Many modifications, particularly big cams, tend to reduce low end power and torque. The Reid Racing TH400 transmission case, offered by Hughes Performance as a much stronger upgrade to the OEM case. Our base model TH350 has lived at over 600 HP reliably. I am going to change my new modulator for the one with the white stripe as suggested on several sites as the proper one to run. The car runs strong and shifts well and I have no complaints. This kit will allow you to custom tailor your transmission shift points. 2001 Vortec 8. * This is a 100% bolt-in product. Both books together gave me the confidence to rebuild my own TH400. If it wont stay in first gear on its own when in manuel first check to see if there is a valve behind the modulator. We are the exclusive makers of the power glide electric up shift valve body. what type of convertor will need to be used? 7. gm turbo 400 HYDRAMATIC automatic transmission REBUILD HOW TO manual AND MODIFY BOOK BY RON SESSIONS HAS A PERSON S NAME WRITTEN IN BLACK TEXTA IN A COUPLE OF PLACES BUT NO INFO LOST JavaScript seems to be disabled in your browser. The governor assembly is contained under a sheet metal cover on the right rear side of the transmission, and there is an access cover under the carpet of the XJ-S to get to it. View Full Version : Stupid transmission quiz TH400 vs TF 727. Come join the discussion about trail reports, builds, performance, modifications, classifieds, troubleshooting, fabrication, drivetrain, and more!. Wish List Compare. 88 Dana 70 rear axle 4. TH400 Diagram TH400 Parts Diagram | TH400 Diagram - SmokinVette. They started making Rochester Quadrajet 4 barrel carburetors in 1965. Both the 2004R and 700R4 use a lockup-style torque converter that requires 12 volts and a pressure switch to lock up in Fourth gear. Additional Information: This adapter kit requires the use of a Ford 6. The easiest course of action is to take the necessary steps during engine assembly and installation to prevent the failure from ever occurring. what type of convertor will need to be used? 7. Mar 2, 2003 #1 I've read aboput the thrust bearingfailures cuased by the use of a TH400 and tranny brake. You can think of this trans as basically a TH400 with a 25 percent overdrive tacked on. 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 procedure and these critical details are all reviewed in depth between the covers of How to Rebuild & Modify GM Turbo 400 Transmissions. I prefer solid teflon, although it is the most time consuming type. A valve body and the associated valves, AKA the modulator and valve, and the governor and valve, together form a rather basic hydraulic "computer". TRANSMISSION EXCHANGE CO is located at 1803 NE MLKing Blvd. Maximum Offroad Transmissions was established. 20 low gear it needed 3. The engine transfers power through a rebuilt GM TH400 automatic transmission and a GM 12-bolt 3:32 posi-traction rear end. PATC GM Performance Transmissions and Parts, TH400 and others. First, record your vehicle’s performance before you make any modifications. Qty: Add to Cart. Turbo 400 on sale with Free Shipping, Now offering TH400, TH-400, Monster 400 Transmission, racing Th400 and racing Turbo 400 with new lower prices. Trying not to modify my driveshaft. The TH400, for brute strength, wins here. A clean rear band apply and release making it a great race or street valve body and No roller clutch failure. 1974 the first CHEETAH Valve Body rocks the Mopar World! It removes the 2-3 overlap and picks up Mopars approximately 0. Suspension. So, being a semi-gear head, I had a stupid question: The TH400 is the penicle of the heavy iron GM transmissions and the TF 727 is the penicle of the heavy iron Chrysler transmissions. They use Dexron III type fluid. Due to high demand, we are now offering complete Monster rebuild kits for our most popular transmissions. TH350/700-R4 to TH400 Convert Kit. When retrofitted into early muscle cars, these trannys require the pressure switch to be changed and a few wires rerouted. Upgrade your ride from bias to radial tires and learn how to build your own beadlock rim for your 4x4. 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. You measure line pressure with a gauge (there is a plug in the passenger side of the case that you thread a feed hose into to measure the line pressure). With over 30 years of combined experience building 'em, testing 'em, racing 'em, & selling 'em, we will make your drag racing transmission run more reliable and consistent times. curious as to what all im gonna need/need to do to make this swap go smoothly. Balance 915723 Ford FE to C6/E40D - 184 Flex, Ext. Using a 5/1618 tap, thread the passage to a depth of approximately. When retrofitted into early muscle cars, these trannys require the pressure switch to be changed and a few wires rerouted. Millions of cars and trucks have been built with Turbo 400 automatics and the popularity of these transmissions is not slowing down. This unit is designed for use with select applications, including GM TH400 and TH350. Either the standard separation of all relays where they are mounted in the engine compartment usually on the firewall or fender, or a compact OEM looking Fuse/Relay center where all of the components are in one central location. $275 Firm on Price. While these transmissions are respected for their durability and versatility, there always comes a point where the old transmission shows signs of wear. The bellhousing in this kit bolts directly to the front of the NV4500. Some guys try and use an adjustable vacuum modulator can to compensate alone. Re: TH400 help - no downshift to 1st JerseyWheeler--That's probably normal for your trans. This shifter is of all aluminum 6061-T6 construction. The TH400 is an aluminum cased three speed automatic transmission that was produced by GM. Turbo 400 Rebuilding Tips and Tricks How To Make A TH400 Survive. Just be SURE that TH400 isn't the one with the bolt on yoke. The T/V cable will change shift points, servo mods will also change shifting charactistics. It’s nearly as strong as a 700R4, and can bolt into most Chevy’s without needing much modification. 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. Plus I don't have a tranny to take apart and look at right now or a fluid diagram to look at. B & M transmissions was selling a TH 400 Shift governor spring & weight kit. 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. TH350 -- 35hp 700r4 -- 70hp 727 -- 40hp 904 -- 35hp E4OD -- 65hp If you have corrections, or gear ratios for other rear-wheel drive transmissions, please e-mail me with the info. Can anyone help me with the tranny? ID tag is blue in color and it reads as follows: 381 70-CA 79284 Thanks for. Cable Adjustment 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. You must strip the TH400 case and have the speedo hole precisely machined to accept an adapter. PUM01 800A Pump, 8 Bolt(Body Cast # 895, Stator Cast # 896) 64-98 1 TH400. TH400 Race Build, 800-1,000 hp capable. Chevy/GM Products ( Total Items: 13 ) Sort by: Use Default Sorting Price: Low to High Price: High to Low Name Newest Avg Review Review Count Free Shipping On Sale. Its 8:00 and I am off to sign on and find out where scrutineering is. Turbo 400 on sale with Free Shipping, Now offering TH400, TH-400, Monster 400 Transmission, racing Th400 and racing Turbo 400 with new lower prices 0 800-708-0087. However, after I received your answer here on the line pressure question I've asked, I did a little investigation of my own, and it just so happens that I know someone who has one of these same TCI TH400 transmissions which are advertised on the TCI website as having "special line pressure" that I was asking you about in my opening post of this thread. Look to Eckler's Corvette performance parts for high performance air intakes & washable air filters, performance aluminum radiators, hi-performance transmissions and shifters, aluminum intake manifolds, throttle bodies, performance carburetors, computer tuners, headers, cat-back exhaust systems, camshafts, ring and pinions, complete crate. What will it take to convert this new trans into my car? G. I also purchased "How to Rebuild & Modify GM Turbo 400 Transmissions" Not as detailed, but better pictures and to the point. There are 80 1974 Chevrolet Corvettes for sale today on ClassicCars. It also has a forward pattern manual valve body installed but no transbrake. This was one of General Motors editions of the Hydramatic transmission series. Only modification is the change for the linkage to card hook-up. Wire into any RPM switch, timer or push button and the cylinder-operated shifter makes your 1-2 shift. This shifter is of all aluminum 6061-T6 construction. 8cc) with each revolution of the input shaft. Adapting the Turbo Hydramatic 400 Transmission to the Jeep Dana Model 18 & 20 Transfer Cases. These need an upgrade when putting more than ~300 horsepower through a 4L60E: Input drum Overrun clutch hub Output shaft. Turbo 400 will do a 1-2-3 shift with it disconnected. Already I am getting ideas for modifications such as lowering the front and ducting cold air to the engine. 6-piece ring kit--Fits all GM Turbo Hydra-matic 400 series automatic transmissions. 1971 -74 HO 455 & SD455 Turbo 400. This case is for the hard to find big bearing. Jeff Smith: The physical part of bolting this transmission in the car will be easy. 08:1 and the 3. The TH400 is longer that the B/W transmission so the drive shaft must be shortened. In this video we mod the th400 transmission to shift better then before! She kicks into gear like a mule now! Just how I wanted!. Each transmission is custom built to our customers application. 9 Engine Swaps. That truck had a 454 big block engine and a TH400 transmission in it. Turbo 400 Performance Racing Transmission Parts by FTI Performance. Print Product. It's come time to change the fluid, and I was thinking of using Jiffy Lube (under my supervision of course) to perform their new flushing technique when changing the fluid. The early systems from 1982-1986 are just too old to do much with. CAN DELIVER TO SPOKANE OR CDA. Both theory and in depth detail. TH400 dual feeding #1 Post by chevyv8_power » Sat Apr 26, 2008 3:26 am I have been reading a lot on the forums about dual feeding the direct clutch but am still not sure how to do it since there seems to be different ways of doing it. The video also demonstrates how to properly set the throttle valve, TV cable. A forum community dedicated to custom off-road vehicle owners and enthusiasts. I'm not a mechanic, but mechanically inclined. Its 8:00 and I am off to sign on and find out where scrutineering is. 700r4/4l60e th400/th350 Complete kits with everything needed to build a high performance transmission compliable of handling high horse power engines. Even the late-model LS guys have been seen rocking the classic TH400 on occasion. 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. As in the case of the TH400, the shafts and gear sets are very durable, and if the drum is upgraded, the power rating of the transmission nearly doubles. Jerrod Jones Photographer, Writer. Yes, the Rubicon 44 has a larger (and stronger) 8. Like New $18. Let it hang free. 1 bolt secures the above fender to the grill. Remanufactured torque converter to replace damaged, nonfunctional or missing original for your Turbo-Hydramatic 400 transmission. What was 60ft when it went 9. We have the most complete inventory of performance transmission parts for Ford, GM and Dodge than you’ll find anywhere else. [Archive] Th400 Transmission Modulator General FSJ Tech. I have been able to decode the 327 as a 68 motor. From stock to 2000HP, we have some of the fastest most reliable TH400s in the industry. 040" (1 mm) on the inside diameter edge of the bearing parting. NO CHECKS ACCEPTED. No core charge. Allison 1000 Transmission Features. It was designed with a three-element turbine torque converter mated to a epicyclic planetary geartrain, thus delivering three forward speeds plus reverse. You should not have any problems bolting the engine to your original transmission, be it a stick or an automatic (Slim-Jim…etc). Deep Pan - B&M offers seep pans for the TH-400 transmission that provide 3 to 4 quarts additional oil capacity which significantly contributes to the cooling ability of the oil. 88 with detroit locker Saginaw power steering Wagner power brakes Load Post 1 Close. 0L engine with cast iron cylinder heads should only be used with the original transmission due to a different crank shaft stick-out length. YEAR PART NO. That being said, this transmission is commonly used in hot rods and paired with engines making far more torque, although these transmission also must commonly updated with some aftermarket parts. Save Engine Life -600 RPMs, Improve Fuel Economy 20%, Towing and Hill Climbing Performance Improved with Gear Splitter. It’s nearly as strong as a 700R4, and can bolt into most Chevy’s without needing much modification. What will it take to convert this new trans into my car? G. 6-piece ring kit--Fits all GM Turbo Hydra-matic 400 series automatic transmissions.