Speedway Motors Buick 700R4 Parts

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.

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.

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!

Speedway Motors announced today they will celebrate their customers and 70th Anniversary during Customer Appreciation Week, July 25-31, with discounts, giveaways and Cars & Coffee celebration.

Speedway Motors announced today a list of new products that will be debuted Nov. 2-6 during SEMA360.

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

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.

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.