Chevy Impala 700R4 Auto Trans Dipsticks

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.

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

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.

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

Follow along as our Tech installs dropped spindels and performs a disc brake conversion on his '55 Sedan. He utilizes a metric brake conversion kit.

Learn about the G Force crossmember and how the symmetrical product design makes for a smooth installation on Jeff's 1967 Chevelle.

A guide on how to install a floor replacement panel in the trunk of a 1967 Chevelle. Follow along to learn tips on fitting, cutting and welding sheet metal for a precise fit.