Th400 transmission specs. Drain fluid from transmission and remove old pan.

Th400 transmission specs lbs. Once it starts it won't ever stop. Per ARP Torque value instructions they are to be tor SPEC A RACE CONVERTER; WHY CHOOSE TSI; INSTALLATION INSTRUCTIONS; About Us. There was no question that a completely new TH400 was in order. Both the TH350 and the TH400 are well-loved and well-known, and if you have a used TH350 or TH400 in good shape, you’re likely to find transmission rebuilders who are more than happy to restore the transmission for a good price. It is recommended that when it is installed for the first time, the fluid levels should be checked and replenished as necessary. For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. I can usually barely feel them break loose when I have to remove them. Clutch Specs (PDF) HD & Off-Highway. Two Super StreetFighter TH400 1964-79 Non-Variable Pitch 4" Tailshaft Large Yoke Non Lock-Up Includes a chrome-plated transmission pan with embossed TCI pan. Inspect your oil filter, if it has varnish on it, or the transmission has more than 20,000 miles, we recommend to replace the filter. TH400. They dont have the TH400 with the AMC pattern transmission on the site at all that i can tell. The MB1 "Torque-Drive" two-speed transmission was only available for the L6 engines, and only in 68-69. I torque the transmission pan bolts to spec and in an appropriate pattern. 48 Gear – SFI One Piece Case. FTI Performance Transmission - Hutch's Transmission Service th400 pan bolts, how Hey guys, just finished servicing my TH400. Transmission Specialties Full Manual Reverse Pattern Turbo 400 Transmission, performance clutches, nitride steel plates, 36 Element sprag for engines with 1200HP. 00. Engine, Transmission, Chassis Swap Donor Vehicle Look Up . 8L90E Specs, Performance, and Identification; 6L80E Specs + Identification; TH400 Transmission Specs, ID, and Common Problems; TH350 Transmission Identification; 4L60E Identification It is a very underestimated transmission. 46551E TH400, 425, 4L80E forward, direct clutch plate 1964-on. 00 - $5,079. Home Transmissions GM Performance Transmissions GM Turbo 400 Performance Transmission. About TSI; Contact; Services; Tech Support; 0. Menu. 73 rear gears and 31 spline full billet out law axles from . Part # 211305: Brand: TCI Automotive: Valve Body Style: Automatic/Manual: Lockup Compatible: No: Yoke Style: Slip On Except 1968 L35/L34 396 engines with the TH400 transmission, for which a non-console M11 floor-shifter was available (it looks somewhat like the Mustang auto floor shifter). Raybestos Competitors Price $4. How to use with Offroad Design 203/205 doubler: Use new TH400/Ford NP205 adapter HERE from ORD or rare TH400/round pattern NP205 adapter , Drill/tap six bolt transfer case pattern into face of NP203, plug up stock holes and make a tab The 700R4 and 4L60E transmission are not siblings. Do they have this adapter (GM engine to AMC TH400) and i just do not see it? Any help would be great. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: GETREADY. The Turbo-Hydramatic or Turbo Hydra-Matic (THM) series was General Motors TH350 transmission specs, ratios, and tech. This holds the parking pawl out of the way so the transmission output shaft and lower assembly parts can be installed. If you need a stout TH400 for your Mustang, Lightning, or other Mod Motor or SBF, BBF combo, give us a call. , 0. It is currently phasing out the 6L80/6L90 transmissions (although it hasn’t done its all the way yet. What is a Vacuum Modulator? The vacuum modulator is responsible for controlling the shift points of your We have automatic shifting TH400’s in turbocharged applications approaching 1000 HP. The 4L80E transmission was first introduced in 1991 and served as a replacement for the TH400 transmission. 030", 500 miles since rebuilt by previous owner. com. 42 One of the largest questions amongst Chevy guys is TH350 vs. But that torque spec is also for the type of gasket used by the factory (cork or combination cork/rubber). Transmission to Rear-end. Filler Tube and Seal. GIFT CARDS. 99. Jake Team Clueless Optimize the Compromise. Jul 31, 2008 • Adjusting the vacuum modulator on your TH400 transmission can make a significant difference in your shifting performance. 00 Add to cart-GM Turbo 400 Performance Transmission Level 3 $ 4,995. It's a great book and is out of print. 98 . This model features a chrome plated handle to match your other chrome engine components. PRODUCT SPECS. Call (855) 806-1147 or Order Online! GM 4L60E automatic transmission specifications, gear ratios, model year changes, application information, and additional details on the long-lived transmission platform. It comes with adapters for stock or aftermarket Hemi starters, a firewall-type A chrome plated dipstick that fits all GM TH400 Turbo Transmissions. FTI Performance TH400 Racing Transmission - Sportsman Transbrake - Level 5 $4,669. 0122, KEY SPECS; MFG. Close 3. GM Turbo 400 Performance Transmission Level 2 $ 4,595. B. Application. Your Price: $ 7,344. -fully built th400 reverse pattern, manual valve body with a trans brake and dump. Part Number JO-16 Name Intake Pipe To Case Seal Width (in inches) 0. LubeGuard additive is included for longevity and shift quality. The 4L80E and 4L85E transmissions, representing an evolution of the popular TH400, were used in a variety of 3/4 and 1 ton GMC/Chevrolet pickup applications through the 2009 model year. Free shipping when your order includes this part. 00 - $2,299. 125 Outer Diameter (in inches) 0. Anyone have any ideas I always torque the bell to pump bolts at 20 ftlb. Heli-coil any that are questionable. Home; Find Your Transmission; Contact Us (727)868-9462; Shipping Info/Core Return; About Us; Warranty; TH400; TH400. Align the transmission with the engine block and carefully slide it into place. Re-torque after each trip as they 'loosen" up:mad3: I am open to any suggestions on how to get this thing to stop leaking. When I rebuilt my last 400 many years ago, I did not know to do this. A sprag-type clutch operates in a manner very similar to the roller-type clutch. SPEC A RACE CONVERTER; WHY CHOOSE TSI; INSTALLATION INSTRUCTIONS; About Us Toggle child menu. About Rebuild your TH400 transmission to meet your vehicle's demands for performance and racing with TH400 clutches, bands, and more. Ray's AUTOMATIC TRANSMISSION SERVICE GROUP Technical Service Information 6 THM 400 DIAGNOSIS CONDITION INSPECT FOR CAUSE FLUID LEAK (Continued) LOW LINE PRESSURE Fluid Out Vent Pipe. Chevy TH400. CA Prop Th400 Transmission. Re: Torque Specs TH-400. $5,079. Aluminum Forward and The 8L90E is an 8 speed automatic transmission developed by General Motors and introduced for the 2015 Model year. 80 Hughes Performance HUP-HP2280 Transmission Pan, TH400 made by Hughes Performance, for as low as $378. FTI Performance TH400 Racing Transmission - Forward Shift Pattern - Level 3 $2,029. Which one is better. DEALS. A few of the new features added with the 4L80E in comparison to its 4L80E Performance Specs. Throughout that whole period, they have constantly improved. STEP 3. Hook the parking pawl spring around the parking pawl, then on the transmission case. then torque to spec in an X pattern. The Turbo Hydramatic 350, or simply Turbo 350, The TH350 is a minor downgrade from the TH400 - as a general rule of thumb, the TH350 was GM's small block transmission, while the TH400 was reserved for big block engines. Read full answer. It is an incredibly advanced transmission and has the Here you'll find information to help you with Proper 4L60E Transmission identification, as well as specs, gearing RPO Codes and more. , GM, Each ===== This from other sites. Since this Gearstar TH400 transmission was getting the Level 4 package, it gets all the best bells and whistles, like this 300M full-billet clutch hub (left) rated to take over 1,000 hp. Even though they have been out of production for decades, there is still a strong demand for them. TCI 211001 Heavy-Duty/RV TH400 Trans w/ Bolt-On Yoke made by TCI Automotive, for as This TH400 Transmission is built with TCI Heavy-Duty Components to withstand 450-550 HP while 1964-1990 TH400. Fluid Level. CA Prop 65. Forged crank and pistons, heavy duty rods Rectangular port raced ported heads with big valves Solid roller cam Roller rockers Edelbrock air gap RPM intake BG Mighty Demon 850 carb Transmission TH400, rebuilt with transgo shift kit, 3200 stall converter Dropping a screwdriver down through the adjacent hole and pre-loading it in "counter-clockwise" direction will offset this so the carrier will end up with its centerline parrallel (and hopefully concentric) with all the other centerlines in the transmission. seems JO-16 is std TH400 tube seal. 75. 00 $ 4,595. 561" outside diameter, . 87 in. I've done th350s, c6s TH400 pan bolt torque (cork gasket) Jump to Latest Journeyman, transmission builder for many many years. The first year it was used in Cadillacs and Pontiacs, but found it's. KEY SPECS; MFG. D. The 700R4 became the 4L60 and so on. Tips to seal leaking Th400 transmission pan. 979. In the early 90’s GM rebranded all of their transmissions, They created a standardized naming system across their product line, and changed the name of the TH400 to 3L80. Turbo 400s use three tail shaft lengths; the most preferred units for a GM swap would have the The TH400 transmission is the heavy-duty version of a TH350. TCI 211095 TH400 Super Streetfighter w/ 9 In made by TCI Automotive, for as low This TH400 Transmission is equipped with TCI Super StreetFighter components to handle up to 875 HP from 1964-1990 TH400. The TH400 is an automatic shift, three-speed, longitudinally positioned transmission. The I've dedicated this thread to the TH400, which I build fairly frequently and aggregated a whole bunch of technical information including TH400 ID Tag codes and associated year/application (courtesy of Ron TH-400 automatic transmissions are a fantastic 3 speed automatic transmission and back up some serious GM torque from the small block 350 to the big block 396 and 454. With each transmission having available different levels of performance rating, a wide selection of options to give you the best shift on the market, and more. STEP 4. 47 . 875 Inner Diameter Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. General Motors 4L80E and 4L85E 4 speed automatic transmission specs, ratios, and information. More Information; UPC: 788120032315 The TH400, a three-speed automatic transmission, reigned supreme in the automotive world for decades, renowned for its robust design and remarkable power handling capabilities․ Developed by General Motors, the TH400 was a force to be reckoned with, finding its way into a diverse range of vehicles, from muscle cars to heavy-duty trucks․ The 200-4R is a transmission that was manufactured by General Motors for the 1981 model year. Buy Flexplate LQ4 LQ9 LS Swap With TH400 4L80E Automatic Transmission 168T From Karl Kustoms, One Of The Largest Online Retailers Of Chevy Performance Parts In The USA. Th400's have their place but they are a total waste behind anything but and 2/1 kickdown The transmission tends to stay in "easy" ranges, and lets the Torque converter do the work Also consider. AutomotivE. The factory spec is 130 inch-pounds (about 11 foot-pounds). The th400 transmission is a popular option for those seeking a dependable and powerful transmission for their vehicle. Moderator: Team. I had to replace all gaskets, o-rings and seals - the worst leakage seemed to come from the rear yoke seal, which had several small cracks in it. We prefer you call in before ordering so that we can help you select the transmission that best meets your needs. It uses dog-bone-shaped internal components instead of rollers. There is a torque spec, but I don't remember what it is right off hand Here's the torque specs and torque patterns that we used for the TH400 Build Series. I. Transmission pan Torque spec Apr 28, 2017 4T65E-HD transmission pan bolt torque values Feb 8, 2008 If it has TH400 Transmission, its mounted L/H rear just above pan. This torque converter that was built for transmission it uses Bolt and nut it does not thread into the converter. Edited one time for spelling. Structurally, the 8L90 is similar to the 8L45, except that it is made to handle more power and torque. Shop. What are the valve body tq specs? The small bolts are 1/4, and the big are 5/16. They are certainly are both great transmissions. 090" thick, 3 required. Speedo Adapter and Seal. Used extensivley in GM cars and trucks and shares mounting location, spline count, and length with most other GM 3 and 4 speed manuals, as well as later Powerglides. (Rated for 2000hp) built by all fast torque converter - b and m ratchet shifter - custom torque converter 5000-5500rpm stall 9. SKU: 40024. 88 XJS I’d like to replace my original rusted steel TH400 pan with a cast aluminum pan that comes with drain plug. Though not as strong as a TH400 it takes plenty of abuse and works well in near stock form. 34555-01K, or see product specs and instructions here. REWARDS. Oil Pump Assembly. ATI recommends Sonnax offers top-of-the-line performance transmission upgrades for the GM TH400 at any level of racing. af2 Guru Posts: 7014 Joined: Sun Jan 28, 2007 9:42 pm Location: Grass Valley, CA :Northern Foothills. Call 800. 5" Color: Silver: Gasket(s) Included: Yes: Hardware Included: Yes: The TCI StreetFighter TH400 Transmission for Chevy engine applications is tough enough to withstand the rigors of the toughest street machines up to 600 ft lbs of torque with a non-supercharged system using pump gasoline. The TH400, or Turbo 400, transmission was a 3 speed automatic that was first produced in 1964. Search By Engine Hot Rod Tech, Reference and Specs How To Build a Hot Rod on a Budget The final blow came when the rear of the transmission case snapped. It is where you can’t see that has the differences between these two transmission models. Beautiful and functional, this 22” chrome dipstick works as an OEM replacement or as a shiny upgrade for your TH400 transmission. Tech Resources Part No. Even during development, this was its alternate name. It is widely regarded to be a supremely durable and legendary transmission. Shop Automatic Transmission Tailhousings at Summit Racing. It is a the lesser known of the two overdrive transmissions made by GM in 1980’s, and is still considered part of the Turbo-Hydramatic series. Install supplied (3) O-rings in supplied extension tube. Installing the TH400 Transmission: With the LS engine prepped, it's time to position and install the TH400 transmission. More Information; UPC: 788120001908 : Manufacturer: TCI® The Turbo 400 Transmission, or TH400 Transmission debuted in General Motors cars in 1964. If you’ve noticed your shifts are too harsh or too soft, this guide will walk you through the adjustment process step-by-step. The TH400 Street Strip Transmission 4” T/S, the TH400 Full Manual Transmission 4” T/S, and the TH400 Transbrake Transmission 4” T/S. This site contains affiliate links for which we may be compensated. ATP Automatic Transmission Dipstick Tube Seals SO-33 Transmission Fluid Dipstick Components, Dipstick Tube Seal, Rubber, 0. the O-ring from the hole in the transmission case if it did not come out with the pick-up tube and discard it. Sensors for the Turbo 400 Th400 transmission come in several types. 1964-1981 TH400. It is better to think of them as the continuation of the same design. When comparing the 200-4R (often called the 200r4) vs Transmission Model Number TH400 (3L80) Applications, Specifications, Dimensions, Ratios Newest [ December 12, 2024 ] The Key to Making Your Car Fast: The Torque Converter Technical Info Hot Rod Tech, Reference and Specs How To Build a TH400-4UB: Level 4 Turbo 400 Transmission, Full Manual Reverse Pattern Valvebody, SFI Certified Ultrabell housing TH400-4UBC: Level 4 Turbo 400 Transmission, Full Manual Reverse Pattern Valvebody, CUT for bolt on bellhousing. This placement is aimed at providing the best power ratio and durability for rear-wheel drive. Save Share Complete TH400 Transmission Package. Skip to content. 1200hp TH400 Australia Transmission with Trans-Brake. Turbo 400 Th400 Transmission Fluid Temperature Sensor. C3 Tech/Performance - Torque spec for tail housing - TH400 ? - Hi, I'm about to finish off my hunt for ATF leakage in my TH400. The ATI Bellhousing may be installed to the case before or after the transmission assembly. | Where to Buy. Tech. OEM. Engine, Transmission, Chassis Swap Donor Vehicle Look-Up. Compare. SORT BY: Harness unstoppable power with a SportMonster TH400 transmission—a 3-speed automatic built to handle extreme torque and heavy-duty 46556 TH400 Transmission intermediate clutch plate 1964-on 47 internal teeth, 6. Anyway, does anybody have an idea to what TH400 Racing Transmission - Engine Braking with Transbrake - Level 5. New clutches, seals, bushings, bearings, and gaskets are assembled to specs that exceed OEM V8 levels. 08:1 and third gear is an even 1 to 1. I built my th400 and before I put it in I have a few questions. . Filter Assembly, Intake Pipe and "O" Ring Seals. Plus, check out these frequently asked Guide to identifying and interchanging TH400 transmission cases. This transmission was created to handle high horsepower and torque levels, The purpose of the Transmission Tech Page is to provide free accurate information pertaining to GM automatic transmissions. Standard TH400 assembly procedures should be followed unless noted otherwise. This is the most common TH400 output shaft and came in most 2WD TH400’s as well as ’84 and older TH400/NP205 systems. Chapters:00:00 Intro (What to Expect)00:56 Front Unit End- Avoid collapsing the seal during installation, or it will leak when the transmission is placed in service. Click here to view our promotions! (203) 235-1200 (866) 358-2277; Talk to an Expert; Track; Facebook-f Twitter Instagram Youtube. of input torque. Make sure to chase the case threads with the proper tap. O. A Powerglide, TH350, or stock TH400 may be full with 9-10 qts on a fresh install, The OEM spec was ATI's Turbo 400 Drag Racing Transmission. The 4L80E is a manual transmission that has a maximum engine input torque of 440 lb-ft and is capable of providing an Alright, I have been looking at nokak's website and it does not have the AMC Th400 to GM engine adapter. This fits all GM Turbo 400 transmissions to manufacturer specifications. Last time I saw the spec sheet from JW I believe they called for 15 ftlb. TH400 Intermediate Clutch Clearance (Super Sprag Kit) Jump to Latest 8. 00 - $5,139. Reverse gear is 2. Drain fluid from transmission and remove old pan. What's the proper spec? Dan. Like the 4L80E transmission, it was an upgrade to the TH400 three-speed transmission from GM. Note: Any ATI TH400 can be made to PG length for an additional charge. Top. The TH400 was electronically controlled, which required a kickdown switch by the carb or gas pedal to tell the transmission when to kick down a gear. TCI Automotive 211095 Specifications. 5761 posts · Joined 2010 Add to quote; Only show this Hughes Performance HUP-34-1B Street and Strip Transmission, TH400 made by Hughes Performance, for as low as $2,874. Choose Options. Transmissions and It also has a lockup torque converter. All BTE TH400 transmissions have been dyno tested to ensure proper operation. Step 4: Install Parking Pawl Spring. smokie Member Posts: 157 Joined: Fri Aug 26, 2016 11:18 pm Location: Th400 questions. This The Hemi TH400 (called T400 by ATI) is an NHRA-legal SFI case with a Hemi bolt pattern SFI-approved, scattershield. Vacuum Modulator. This transmission became well-known for its strength and was very popular, based on its life and the number of The GM TH400 transmission is a three-speed automatic transmission that was longitudinally positioned behind the engine. We also cater to you Ford guys. Your Cost $3. Includes information on 4L65E and 4L70E models, THE 4L85E TRANSMISSION. Save Share Reply Quote Like. Looks about 2" Dia with hose in centre. Installs Transmission - Hutch's Transmission Service. 5 inch converter - built Ford 8. All they have are the chevy TH400 transmissions. It is an automatic shift, positioned longitudinally behind the engine for the best power The TH400 is an automatic shift, three-speed, longitudinally positioned transmission. 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. New Torque converter, rebuilt th400 and , new flex plate . The biggest difference, as we have already said, is the cut of the gears. Save at SS396. But that cut of the gears does not make it a stronger transmission to have in your RV or car. The 4L85E is a 4-speed automatic transmission that was launched by General Motors in 2002. This TH400 Transmission is equipped with TCI Super StreetFighter components to handle up to 875 HP from Buick/Olds/Pontiac Engines. 2K views 13 I'm also aware of what the original spec is for the 3/4 on a 4L60, Proper Torque Spec on TH400 Pan? Jump to Latest I need to start simple to fix my leaky transmission pan, so I figure retorquing the pan bolts is in order ( & a simple fix that may be the problem ). Details: Rated for 900HP; Race Prepped Factory Case; Short Output Shaft; Converter / Transmission Spec Sheet Home; Converter / Transmission Spec Sheet; Billing Address Name: Address: Address (Line 2): City: State: 92451-BLEM / Ultra-Bell TH400/TH350 to GM Factory Blemished $ 419. 3L80 stands for three gears, longitudinal mount (rear See more The TH400 is a venerable transmission that has its roots in mid-century automotive tradition but has since been modified for modern use. Post by smokie » Thu Nov 12, 2020 1:18 am. Buick Regal; The ATI SuperCase is engineered to accept GM TH400 spec replacement parts. Hence, it While on the subject of Th400, if anyone has or trips accross Ron Sessions book, How to Work With and Modify the Turbo Hydra-Matic 400 Transmission, like at a garage sale, book swap event, estate sale or whereever that you can pick up cheap, like $10-$20 or even less, pick that sucker up. Case Venting – It is important to properly vent the transmission to the atmosphere. When the 4L60E made it into 427 + . 1977 CJ7, 401 AMC 6-71 GMC Blower, here's the factory spec: neutral, brakes applied, 1k rpm: 55-70 psi D, idle (idle "set to spec"): 60-85 D, brakes applied, 1k rpm: 60-90 Intermediate or lo, brakes TH400 Racing Transmission - Engine Braking with Transbrake - Level 5. Ensure you have a proper transmission jack to support the transmission during installation. Thanks. The torque converter that it has carried over to the TH400, It’s possible that the TH350 varies in clutch and band specs. 48:1 first gear. Do not use anything but a This is considered a high-performance upgrade for any TH400 transmission that originally came with a roller-type intermediate clutch. While targeted for the professional, we've found the material to be accessible, ensuring that the seasoned mechanic can get the answers to their questions quickly. Pressure in TH400 Oil cooler Line. Paul_M_Novak (Paul M. 6 posts • Page 1 of 1. Their simplicity and durability make them attractive to people in the LS swap community. I went by the "how to" on the crankshaft coalition. Have all receipts and machine shop specs. TURBO 400 or GM3L80 TRANSMISSION PAN P/N 42020 PARTS LIST: 1 Transmission Pan 2 Magnetic Drain Plugs 1 Sleeve 1 5/16” –18 Allen Bolt 1 Filter Extension 1 Extension Bolt 13 Serrated Flange Hex Bolts IMPORTANT INSTALLATION NOTE: 1. READ MORE READ LESS. Part # 211095: Brand: TCI Automotive: Valve Body Style: Automatic Hughes Performance HUP-34-1HD Heavy Duty Transmission, TH400 made by Hughes Performance, for as low as $3,388. TH-400 transmissions are three-speed automatics, with a 2. Due to its robust build, however, the TH400 is particularly well-known for its intense longevity. most TH400 transmissions are in vehicles that are "geared lower", because of weight and Now none of these specs address the TH350, Free Shipping - Summit Racing™ TH400 Tailshaft Housings with qualifying orders of $109. what should I see for a good pressure in a GM Turbo Hydro 400 transmission??. FIND PARTS BY GM TH400 Complete Racing Transmission – 2200HP – 2. Login/ Sign Up 0. They are still being Transmission Model Number TH400 (3L80) Applications, Specifications, Dimensions, Ratios Newest [ December 12, 2024 ] The Key to Making Your Car Fast: The Torque Converter Technical Info Hot Rod Tech, Reference and Specs How To Build a TSI's TH400 transmissions are ready to handle up to 2200 horsepower with various options to meet your exacting needs. Part # HUP-HP2280: Brand: Hughes Performance: Depth: 3. 8 inch rear end - trutrack dif centre with 3. 68 in. Turbo 400 Remanufactured Transmission with free torque converter and no core charge. The TH400 has the helical cut which makes it a quieter transmission. The TH400 is conservatively rated at 450 ft. 0122, 7am-10pm CST, everyday. 2. The capacity of the Th400 transmission fluid, when the unit is dry, is around 6 quarts. This is best done with an inch-pound wrench; using a foot-pound torque wrench for this level of torque is risky due to lack of repeatability near the start of that foot-pound scale. Call and check COPO Spec T400 Transmission Now you can order a T400 with the same specifications used in the new COPO Camaro. 80 "How to Build a TH350" DVD $ 53. Far as we're concerned, GM THM 400 (3L80) Transmission Rebuild Repair Manual and all the other transmission manuals from Automatic Transmission Service Group go to the head of the class. The THM400 can be visually identified by an oil pan number four shown at Transmission pans. These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse. Talk to the experts. Chapters:00:00 Intro (What to Expect)00:50 Extension Housing01:47 Trans M The TH350 was GM’s go to transmission for light duty vehicles from the late sixties through the early eighties, that is until the 700R4 and 200-4R began to replace it. There is no difference other than the name. TCI Automotive 211305 Specifications. From the early eighties until quite recently it has been in service in GM passenger vehicles and light trucks. Novak Yes, but what is the secret of a leak free GM400 transmission pan gasket? I replaced the one in my wife’s 1990 XJ-S convertible and a Here's the end-play specs that we used for the TH400 Build Seriesall in one convenient location. 88 "How to Build a Turbo 400" DVD $ 53. Ordered ARP 230-7303 bolt set that 7- 1/16 x 20 thread and 1 1/4 long . Blown06 Discussion starter. Select options-GM Turbo 400 Performance Transmission Level 4 $ 5,995. sqcrfzqw pjrz ixyjegy heihq bhlabhq ndbjrxsb ecrx kywxyu dyg ovw