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

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

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.

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

Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.

Upgrading a 700R4 Transmission - 1967 Chevelle

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

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

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

GM Body Styles

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Replacing a G-Body 7.5" Bolt Rear End

Learn how to assemble a Gotta Show transmission cooler line kit for common GM transmissions. Jeff shares some helpful tips on measuring and cutting the braided stainless steel hose for an easier installation.

Assembling a GM Trans Cooler Line Kit - 1967 Chevelle

Engine Family Facets

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Box Chevy GM B-Body 700R4 Axles

Box Chevy GM B-Body 700R4 Axles | Speedway Motors

Shop Box Chevy GM B-Body 700R4 Axles and get Free Shipping on orders over $199 at Speedway Motors.

Box Chevy GM B-Body 700R4 Axles

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Rear Axle Breather