Speedway Motors, 700R4, Dirt Track 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.

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

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.

Super Chevy covers the Speedway Motors designed and tested G-Comp line.

Congratulations to our own Jake Bubak on his big with at the 2022 IMCA RaceSaver Nationals! Here's a quick look at what happened...

The dyno at the Speedway Motors Racing Engine shop is always humming. We set up a camera in the cell to catch a few of the engines that have passed through the door recently.

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

Speedway Motors announced today they will kick off the 2024 race season Feb. 5-11 with discounts and racing product guides to help customers perform their best at the track.

After years of dominance with the legendary 4x sedan, "Speedy" Bill Smith and his hotshot driver Lloyd Beckman upgraded to this sleek new offset roadster for the '64 season.