700R4 Racing Frame

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.

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!

In this Tech Tip, John helps to sort out some fresh suspension for a customer’s ’70 Nova.

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

We're pretty sure we've never seen a hot rod Hudson pickup, let alone a candy-green knockout like this one!

The Speedway Motors Tech Team created a quick how-to on squaring the front axle of your open wheel race car.

Our Tech Expert installs an F1 steering box in his roadster to give the steering a traditional feeling. Follow his process from testing fit to welding.

Speedway Motors was selected by Arrow Electronics to prepare Sam Schmidt’s vehicles for Optima’s Ultimate Street Car Challenge where he will race for the first time since becoming a quadriplegic in 2000.