700R4 Racing Vacuum and Emissions

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

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.

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!

Jason explains a solution to blocking the late evening sun while still maintaining full visibility. Watch this video to see the how the Outerwears EZ Sun Visor works.

Pat goes over some of the sound dampening items we have to offer.