This catalog is the proprietary property of transtar industries, inc. Patc gm transmissions, th400, 700r4, 4l60e, 4l80e, 6l80e. Th400 turbo 400 performance racing transmissions fti. Bellhousing, case and valve body options available. Our stage 2 th400 includes all the components in the stage 1 rebuild but is upgraded to a 34 element sprag and the corresponding direct drum, 6 clutch direct with carbon based frictions, 4 clutch intermediate, manual automatic valve body or forward pattern full manual upon request. Th400 alto transmission master rebuild kit level 2. The parts included in this kit are adequate for the most basic to the most demanding th400 applications up to 2000 horsepower. Only the largest of the gm cars weighing around 5000 lbs had these trans. The main reason to do any of these modifications is durability and longevity of the transmission. The original article by jakeshoe can be seen in the hotrodders forum thread th400 build tips with photos. Find great deals on ebay for th400 rebuild kit and th400 racing rebuild kit. Turbo 400 th400 transmission heavy duty performance 4. Tsi turbo 400 th 400 t400 reverse full manual valve body 400 transmission. Fti th400 performance transmissions are designed to withstand the rigors of todays highperformance engines in an extremely demanding environment.
Avoid collapsing the seal during installation, or it will leak when the transmission is. Turbo hydramatic 400 3l80, m40 3 speed rwd revision 112018. Th400 valvebody install automanual high horsepower duration. We are taking covid19 serious and are open for you transmission needs. While the unit is indeed one of the stoutest of its kind, trouble can. This is the most complete collection of information currently available. The transmissions we are most often asked about by our customers. How to troubleshoot a turbohydramatic 400 transmission. Not only will it save you the labor cost, but also you can validate the integrity of the rebuild personally. But there is something about it that keeps away even the most skilled automotive technicians. However, there are a few procedures that can be difficult to complete without them. Chrysler a833 transmission rebuild and modify manual book passon. Install the manual shaft seal into the case with a driver until it is fully seated. Our site has put together a wide collection at great costs.
Jw performance competition th400 transmissions jegs. Turbo 400 performance racing transmission parts by fti performance. Transmission repair manuals diy transmission rebuilds. Find great deals on ebay for th400 transmission and th400 transmission performance. Hundreds of rare illustrations and diagrams as well as extensive technical resources. It was first used in buick and cadillac applications, and was quickly adapted to. Patc gm performance transmissions, th400, 700r4, 4l60e, 4l80e, 6l80e, 2004r and others. This book includes removal of the transmission from a typical vehicle, complete teardown, and stepbystep reassembly. Vehicleengine search vehicleengine search makemodel search. We cannot rebuild your transmission over the phone or email. This is the first time i have ever swapped a transmission.
The last option you have is to rebuild the transmission yourself or have it rebuilt by a transmission shop. The th400 is available with the chevy or bpo bellhousing and also a cut version that is ready for the ultrabell. Ni governor bore repair sleeve requires special tool 6498 ar th350. Th400 disassembly guide general motors introduced the th400 transmission in 1964. How to rebuild or modify chevy turbo 400 th400 transmission manual book new. Th400m40 3l80 th375 th475 3l80hd bushings 030h bushing kit complete 1 6598 34030 k34903. Patc builds gm performance transmissions in many levels. Tools and equipment completely and correctly rebuilding an automatic transmission is not beyond the capabilities of the average automotive enthusiast. If you are familiar with the inner workings of a transmission, then rebuilding it yourself is a great idea. A transmission rebuild is not for the faint of heart. Th400 atsg rebuild manual th400 3l80 transmission overhaul. Of course most people dont need a transmission shifting at 5,000 rpms. I highly suggest you add this if you are a new builder or do not have a manual. Th400 alto red eagle and kolene steel deluxe transmission rebuild kit level 2.
Rebuilding a th400 automatic transmission to handle over 650. These transmissions mate a threeelement turbine torque converter to a simpson planetary geartrain, providing three forward speeds plus reverse. Th400, th400, 3l80, th475, thm375, m40, thm400, thm400, 3l80hd, st400, st400 turbohydramatic. Gm th400 technical service manual volume one covers theory of operation, individual and master hydraulic circuit diagrams including variable pitch, diagnosis and testing, and includes various technical resources relative to the th400. The transmission is central to any conversion, both physically and in terms of planning. I was able to download for free a manual by atsg that provided all info. A6lf1 09 1in repair for sale tranmission and drivetrain. I recommend using an atsg rebuild manual, hp books how to rebuild and modify the th400, and this post for those new to transmissions. Turbo 400 th400 heavy duty performance transmission 2wd. Manual shift, metric flange nuts, th400, buick, chevy, oldsmobile, pontiac, each. We work with different manufacturers in the development of stronger parts.
Transmission gearbox manual nissan 5speed skyline neo rb25det 32010aa520 r34 skyline 32010aa520 nissan rb25det manual neo 5speed transmission gearbox r34. The th400 is well known to be a heavier duty trans. I show the modifications needed and some of the machining necessary. Th400 transmission rebuild kit with clutch and steel plates. The th400 street strip transmission 4 ts, the th400 full manual transmission 4 ts, and the th400 transbrake transmission 4 ts. Turbohydramatic or turbo hydramatic is the registered tradename for a family of automatic transmissions developed and produced by general motors. This rebuild kit includes all the gaskets, seals and sealing rings required during a complete rebuildoverhaul of a th400 transmission. Making the better choices in a transmission can determine the success, ease and affordability of the rest of the project. Follow along as we dig up a th400 transmission from the junkyard and rebuild it up with help from performance automatic super chevy. Gm automatic overdrive transmission builders and swappers guide sa design. It became the workhorse of general motors automatic transmissions, used in truck applications and anywhere else there was a need for a strong unit to handle hightorque engines, heavy vehicles, and.
This includes all text illustrations, tables and charts. This information and photos are meant to help those who wish to. The th400 is an aluminum cased three speed automatic transmission that was produced by gm it was introduced for the 1965 model year and made its debut in cadillacs, and is respected for its durability and adaptability. The th400 transmission doesnt really require any special tools to effectively rebuild it. Each th400 performance transmission is built with inhouse machining and is hand assembled to deliver unbeatable performance and durability. How to rebuild or modify chevy turbo 400 th400 transmission. This pontiac bell housing th400 is for racing and is full manual shift. This booklet contains general description and overhaul procedures necessary to repair, overhaul or service the thm 400 transmission, and is found in both passenger cars and trucks.
Remove oil pump, manual shaft and speedometer gear housing. Fti offers a wide variety of th400 parts including racing transmisison pumps, valve bodies, gear sets and deep transmission pans. Th400 specs, info, and identification drivetrain resource. Rebuild or modify chevy turbo 400 th400 transmission book. First time builders will likely need a tech manual. Patc is on the cutting edge of performance rear wheel drive american transmission development. A monster in a box rebuild kit will have all the parts needed when rebuilding your th400 automatic transmission. This information and photos are meant to help those who wish to rebuild their own transmission, however this is not intended to be a replacement for an atsg or factory tech manual. Automatic transmission rebuild kits th400 transmission. Most popular title az title za price low to high price high to low 1 2 3.
If youre considering working on this highly sensitive component, having accurate and reliable transmission repair manuals at your disposal can help ensure you get the job done right. It was first used in buick and cadillac applications, and was quickly adapted to other models. Th400 transmission heavy duty 2wd, th400 transmission, rebuilt th400 transmissions, chevy th400 transmission, performance th400, th400 rebuild, th400 transmission torque converter. I dont believe it is because when i put it in drive it wont upshift and when i put it into manual 2nd there is no change but if i put it in manual 1st then it goes right into low gear. Our stage 2 th400 includes all the components in the stage 1 rebuild but is upgraded to a 34 element sprag and the corresponding direct drum, 6 clutch direct with carbon based frictions, 4 clutch intermediate, manualautomatic valve body or. How to build a high performance th350th400 transmission 67 pontiac gto ep16 duration. Jw performance competition th400 transmissions were originally released in 1964 and are an ideal racing automatic transmission for hot rods to promods. They can also be used to remove the manual shaft seals from the case. General motors introduced the th400 transmission in 1964. Please understand that we are selling you the kit, not the rebuild.
Tools needed to rebuild th400 automatic transmission youtube. Within our impressive inventory of diy automotive literature, youll find manual transmission repair. When it comes to fullsize 4x4 trucks and suvs, the general motors turbohydramatic 400 th400 automatic transmission is perhaps one of the most. High quality gm th4003l80 automatic transmission soft parts, hard parts, and high quality rebuild kits. The th400 came in two wheel drive and four wheel drive vehicles, passenger cars and heavy duty trucks, as well as gm vehicles and those made by other manufacturers. In the turbo hydromatics category, we have several th400 versions to choose from. All bte th400 transmissions have been dyno tested to ensure proper operation. Quick ship th400 transmission with turbo 400 torque converter. Click here to view special tools for this transmission. The turbohydramatic 400 th400 automatic transmission can be found behind large, powerful engines on chevrolet and gm cars and trucks from the factory, as well as jeep, cadillac, oldsmobile and many others.
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