Performance automatic th350 th400 700r4 transmissions whether you need a 3 speed or a non computer controlled overdrive, performance automatic has the transmission or complete street smart package thats right for you and your application. The th350 takes about 4 quarts in the pan, and then requires additional based on the torque converter being used. The adapter kit includes a steel adapter plate, plastic dust cover, torque converter adapter ring, gm dowel pins, fastening hardware, and adapter instructions. Th350 automatic trans mount shifter installation instructions. Kit sonnax sure cure transmission reconditioning kit 4l60. The th350 is an automatic shift, threespeed transmission. Leading provider of high performance automatic transmissions, torque converters and drivetrain components for race, streetstrip, hot rod, street rod and towing th350, th375, th400, th425 gm.
Th350 automatic transmission rebuild, buildup car craft. A threespeed automatic shift, the model was launched in 1969 as a successor to the powerglide. Transmission fluid, i used approximately 10 quarts to get to the fill line. This street smart gm th350 automatic transmission from performance automatic features. Unfollow th350 transmission to stop getting updates on your ebay feed.
Besides demonstrating an ability to withstand a moderate amount of pounding in stock condition. Ict billet transmission adapter fittings front and rear 6an flare to 14 npsm th350 th400 4l60e 700r4 2004r tr6060 aod 4r100 4r70w c5 aluminum 551114 4. Turbo 350 th350 transmission welcome to monster transmission. Automatic transmission basics automatic transmission diagnosis course 273 the torque converter provides an automatic means of coupling engine torque to the input shaft of the transmission. A complete th350 or th400 transmission weighs nearly 150 pounds, enough to cause some pretty serious damage if it falls on you. This includes all text illustrations, tables and charts. Choose from several applications that include an ati streetstrip transmissions, a streetmaster torque converter, transmission cooler, a trick stick locking dipstick and tube and, on non electronic units, a case of atis super f automatic transmission fluid.
Oldsmobile automatic transmissions th350 transmission type. Th350, three number of gears, torque converter included. The torque converter clutch is applied by hydraulic pressure the pcm will control a torque converter clutch tcc solenoid to send atf under pressure to the lock. Gm powerglide automatic transmission billet 1st gear servo piston kit red gm turbo 400 th400 hardened steel intermediate main. General motors th250, th250c, th350, th350c automatic choice. Turbo hydramatic 250, 250c, 350, 350c automatic choice. Gm th400 heavy duty racing transmission billet aluminum direct drum.
Id recommend dexron iii too, but dex 3 is more of a friendly companion to th350. I was thinking of either restoring this engine and upgrading it, or dropping a big block 454 in there. Gm turbo powerglide to th400 converter hardened input shaft 1. Automatic transmission overhaul manual 10360 by godfreyhaynes. Performance automatic racing ford streetstrip transmissions.
You can modify a floor jack into a transmission jack by. Gm powerglide aluminum transmission case only w roller bearing sfi approved. The th350 transmission was introduced in the 1969 model year as the successor to the gm powerglide automatic transmission. This is a new series i have started an i will show how to dissassemble an reassemble a th350 the easy an save you money. When you select the normal drive position, the transmission retains its firm, automatic shifts. This kit comes with all the parts you could ever need to get your transmission up to the monster level. Automatic transmissions th350 transmission type free. Performance transmission products automatic transmission page 2 since 1963 call. Turbo 400 streetstrip automatic transmission for use with 178 diameter yoke. A joint effort between chevrolet and buick, the transmission is known for being strong while also managing to stay compact. Street rodders already know that the th350 is a convenient automatic transmission choice for dropin drivetrains.
The latest technology in our industry with only the best internal components for increased strength, dependable performance and monster torque capacity. The representatives from gearstar, ati and tci all agreed that many of the same issues, like those found in the th350 and th400 transmissions, can affect the performance of the 700r4. Speedway chevy th350 automatic transmission, 25002700 stall. General motors is an innovator of automatic transmissions, introducing the hydramatic in 1940. This is due to more rotating weight existing in the larger th400 case.
We offer a technical hotline, books, software, bulletins, wiring diagrams, seminars, and technical courses to the automatic transmission. Btes th350 transmissions are well suited for street and race track performance. The th350 is one of gmas most popular models, being considered one of the best automatic transmissions ever produced. The th350 is a great compromise between the th400 and powerglide. Dont lay out a couple thousand on a transmission when its completely. The th350 transmission was developed by general motors as a replacement for the twospeed powerglide transmission. Through the 1950s, all makers were working on their own automatic transmission. The monsterinabox transmission rebuild kit for the th350 is available for gm vehicles. While originally used in many smallblock v8 and v6 applications, the th350 will also. The tci streetfighter transmission for chevy engine applications is tough enough to withstand the rigors of the toughest street machines up to 575 horsepower with a nonsupercharged system using pump gasoline.
The th350 s low rotating mass, gear ratios, and overall lightweight construction make it a great for light to moderate. If you have a gm car that falls within these model years, there is a good chance you have a th350. Buick transmission parts buick automatic transmission parts. However, over time the turbo 350 will develop problems, as with any type of. Hughes performance streetstrip transmissions with automatic valve bodies. From research i did online i was expecting 6 quarts, but the transmission may have been low on fluid, i did not check. Dec 31, 2006 the th350 is a goood soild 70searly 80s transmission. This adapter plate assembly is used to adapt a ford small block 302 5. Jegs th350 performance transmission for chevy with short 6 in. Dont lay out a couple thousand on a transmission when its. The novak guide to the gm th350 automatic transmission. Measure centertocenter between the 14 holes in the trans gear lever on the transmission and the quad lever on the shifter.
Tear down inspection, pattern failures, and just plain fun. 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. Curt from curts corner takes you step by step through the tear down process of a th350 automatic transmission. Automatic transmission basics linnbenton community. Dip01 901j retaining clip, governor cover 6498 1 th700. The turbo 350 transmission, commonly known as the th350, was a 3 speed automatic transmission that began phasing out the gm powerglide in 1969. However, the 4speed automatic uses a throttlevalve tv cable as opposed to using a modulator to sense engine load like that found in the th350. Use a hacksaw or other metalcutting saw to shorten the threaded rod.
Equipped with a tci manualautomatic valve body, most units allow you to manually shift the vehicle into each gear change or, by placing it in the drive position, remain fully. And the same shifter can be used to control either a th350 or th400. Th350 transmission, disassembly and how to replace the. How to identify a th350 transmission it still runs. Ict billet ls swap torque stall converter hub adapter transmission crank ls1 lt1 th400 th350 flywheel lm7 lr4 lq4 ls6 l59 lq9 lm4 l33 ls2 lh6 l92 l76 551165 4.
Like the th400, it has three forward gears, but not as much rotating mass. Turbohydramatic or turbo hydramatic is the registered tradename for a family of automatic transmissions developed and produced by general motors. Locking the transmission in a single gear allows for a more consistent measurement of engine torque and at a lower engine speed. Th350 transmission tuning tech hot rod magazine hot rod. These transmissions are perfect replacements for your tired and worn out stock units. The th350 transmission is one of the most popular gm automatics for highperformance applications. It comes as a performance mega package and also has a ss variant for those needing a higher horsepower and torque rating. Automatic transmission 45rfe545rfe description the 45rfe545rfe automatic transmissions is a sophisticated, multirange, electronically controlled.
Chevrolet transmission swap guide chevy high performance. A lot of people claim that he th350 has less drivetrain loss than the th400, which means that all things being equal, the th350 is going to get more power to the rear wheels from an engine with equal power. The things that you will need to perform the transmission service on a th350 transmission is as follows. Performance automatic th350 transmission stage 1 jegs. Atsg is a technical support service specifically for the automatic transmission industry. Transmission fluids suitable for a th350 and th400. Th350 automatic transmission disassembly the school of shift. Automatic transmission th350 with chev bolt pattern fits 8083 caprice 479655. The gm hydramatic was a success and installed in the majority of gm models by 1950. Feb, 20 follow along as nusser shows us the guts and glory of a performance automatic th350 stage 2 transmission. Chevy th350 transmission gm th350 automatic transmission. Put a little pan under it, and pop off the governor cover. The turbo 350 was known as a durable transmission and was used extensively by gm.
Nov 09, 2017 this is a new series i have started an i will show how to dissassemble an reassemble a th350 the easy an save you money. Gm used the th350 in their vehicles starting in 1968 and was found in almost all rearwheel drive gm vehicles through 1984. Handle it with care, and take the time to read and understand these instructions before starting. The turbo 350 transmission, commonly known as the th350, was a 3 speed automatic transmission. Turbo 350c th350c automatic transmission parts and diagram. Automatic transmission, forward shift pattern, automatic valve body, chevy, th350, 4wd,1982 and later 208np transfer case, each 1 part number. Verify that both the shifter and the transmission are in the park position. This street smart gm th350 automatic transmission from performance automatic. The turbohydramatic 350, commonly referred to simply as the turbo, was a threespeed automatic transmission first produced by general motors in 1969. So i have a th350 in my camaro 1974, i have a 350 v8 thats kinda just stock right now. Picking the right automatic transmission chevy high. Save money when you buy your transmission and converter together. Replacing a transmission requires betterthanaverage mechanical knowledge and skills.
If you want to mate geni style transmissions th350 400, 700r4, 4l60, 4l60e, or 4l85e with a geniii or geniv engine, you can do so with the crankshaft spacer pn 12563532. Replacing transmission fluid in a th350 built to drive. Compatiblereplacement for chevygm turbo th 350th400 flexible transmission dipstick firewall mount. Tcs products th350 transmission schematicparts nov2012. Teeth should be uniform, and the weights and plunger should. Turbo 350 th350 automatic transmission parts diagram exploded view. Hughes performance streetstrip transmissions with automatic. It is widely considered to be one of the greatest of automatic transmissions ever built. Apply the gmcopo automatic transmission control box atcb to a 4l60e transmission and then lock it in second gear to prevent up or downshifting during the test. Click here to view special tools for this transmission. Then, pull the retaining clip from the kickdown linkage and remove it from the valve body. If you want to use your th350 or th400 for faster and speedier performance, perhaps ford type f fluid is best for transmission purpose. These transmissions mate a threeelement turbine torque converter to a simpson planetary geartrain, providing three forward speeds plus reverse.