1966 Cadillac DeVille 4L80E Transmission Parts

A real-world guide to 4L60 transmission specs, strength, and swap tips.

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.

Sometimes, a simple paint job can cause a project to spiral out of control. In the case of Steve's '66 Chevelle, it came out way better than anyone expected.

Speedway Motors Product Manager Jeff K. talks about how to really make your engine bay stand out from the crowd with just a little patience, and some Speedway products.