2003 Chevy Express 3500 700R4 Parts

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.

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.

Barry's sedan makes us wonder why there aren't more Chevy street rods out there.

Jerry Patterson tells people who ask if this '63 Bel Air is an SS that it sure is - "Simply Subtle."

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

In this Tech Tip, John advises a customer on the parts needed to slip a small block Chevy engine in his 1953 Chevy 3600.

Jason Ankerson's 1965 Chevy C10 began its life as his high school beater. Over a decade of transformations, his first-gen C10 has become a modern reliable cruiser.

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