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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

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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.

Classic Truck Performance

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A new print and digital magazine about all things classic truck and more, brought to you by some familiar names.

How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions

How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions

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We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

Chevy Small Block Casting Numbers

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Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

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