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  1. The Novak Guide to the GM TH350 Automatic …

    • Learn about the history, features and adaptability of the TH350, a three-speed automatic transmission used in GM cars and trucks. Find out how to identify, rebuild and convert it for Jeep applications with … See more

    Identification

    The 350 transmission is 21-3/4" long and its one-piece case is cast of aluminum alloy. It features an integral bellhousing. The TH350 weighs 120 lbs. It has a distinctive oil pan that … See more

    Novak Conversions
    Features

    The HydraMatic 350 may vary in clutch pack and band specifications. As a general rule, transmissions found behind larger engines will have stronger specs. If your Turbo 350 … See more

    Novak Conversions
    Transfer Case Adaptability

    This transmission makes an excellent conversion transmission due to its adaptability into most Jeeps. Both 2wd and 4wd versions of the 350 can be used equally well… See more

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    Engine Compatibility and Adaptability

    GM
    The front face TH350 is natively compatible with either the Chevrolet 90 degree “Small Block” & “Big Block” patterned engines, including th… See more

    Novak Conversions
    Additional Sources

    Ron Sessions' book, Turbo Hydra-Matic 350 Handbook, ISBN 0-89586-051-1, is a great read and will bring the reader a level of detail on the history, rebuilding and improveme… See more

    Novak Conversions
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  1. Turbo-Hydramatic - Wikipedia

  2. JEGS 555-60300 Turbo TH350 Transmission - Remanufactured …

  3. Turbo 350 TH350 Transmission

  4. Th400 vs. Th350 Transmission – In-depth Comparison

    The Th400 and Th350 transmission are two GM transmissions that have been making waves since the ’60s. Hence, an excellent fit for both old and new cars. Comparing the Th400 vs. Th350 is like putting two champions in a wrestling …

  5. GM Turbo 350 (TH350) Transmissions: Specs - Transmission Repair …

  6. All You Need To Know About the Turbo 350 Transmission

    Many experts consider the Turbo 350 Transmission perfect for light trucks, rally races, and entry-level sports vehicles. This transmission’s tough parts and high performance make it unique, which gives it the capacity to tackle several use …

  7. TH350 Transmission Identification, Decoding and Super-Tuning

  8. TH350 vs 4L60E: Comparing the Differences | Drivetrain …

    Mar 31, 2018 · The TH350 was GM's go to transmission for light duty vehicles for at least 20 years. Beginning in the early nineties, the 4L60E began to be the go to transmission for GM light duty cars and trucks. When comparing the TH350 vs …

  9. TH350 Transmission - Tuning - Tech - Hot Rod …

    Jun 15, 2016 · Learn how to upgrade and modify the TH350 transmission for high-performance applications. See tips on valvebody, governor, modulator, sprag race, clutch, torque converter, shifter, cooler and oil pan.