Oldsmobile 4R70W Shifters and Control Modules

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.

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

After installing a new cam in a LQ4 6.0 motor, it is now time to swap the lifters. Follow this step by step guide on how to prep and install LS7 roller lifters.

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.