Speedway Motors Chevy Caprice 700R4 Parts

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.

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 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.

After being stored away for decades, Bob finally finished his big block powered '36 Chevy coupe...

This new steel bellhousing from Speedway Motors is made for everyone who wants to run three pedals without spending a fortune or relying on a crusty original.

This '70 Camaro is a race car with a license plate, delivering aggressive performance weekend after weekend. It also serves as a test mule for the Speedway Motors R&D team to try out new ways to go fast in a 50-year-old muscle car!

We love customer car stories! Check out Sam's LS-powered '55 Chevy...

This old sedan was untouchable in the early 60's.

Some things are just meant to be. Jim's '39 Chevy coupe has earned its "4EVER 39" license plate.