TH400, Truck Parts

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How to Identify GM Transmissions | 700R4, TH350, 4L60, TH400, 4L80e, Powerglide, & More

How to Identify GM Transmissions | 700R4, TH350, 4L60, TH400, 4L80e, Powerglide, & More

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This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

How to Install Side Detent Shifter for GM TH200, TH250, TH350, and TH400

How to Install Side Detent Shifter for GM TH200, TH250, TH350, and TH400

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Learn how to install a side detent shifter in a 1969 Chevy C10.

700R4 Transmission Complete Guide | Diagrams, HP Ratings, FAQ

700R4 Transmission Complete Guide | Diagrams, HP Ratings, FAQ

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The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

LS Turbo Setups: Twin vs Single (with Sizing Guide)

LS Turbo Setups: Twin vs Single (with Sizing Guide)

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Additional Drop on a Chevy Truck

Additional Drop on a Chevy Truck

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In this Tech Tip, John answers a customer concerns about adding additional drop to his 1960-1972 Chevy truck.

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