Hays, 700R4, Street 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.

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!

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

Recap of the 2016 Goodguys Day at the Hay

Royboy part 1 coverage of the 2016 Goodguys Day at the Hay

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend

This veteran of the legendary "gasser wars" of the 60s looks right at home in the Museum of American Speed.