4L60E Modern Muscle Shifters and Control Modules

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

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

Looking for a cost effective way to upgrade the front of your car? This article shows the steps to replace upper and lower stock control arms with tubular control arms for added suspension strength.

Learn what a manual valve body can and cannot do for your automatic transmission and performance driving needs

Have a 1970-1994 GM A- or X-body in need of some new lower control arms? Take a look at what Speedway Motors' employee Steve L. has to say about our lower control arms!

Rebuilding a carburetor or renewing it is not as hard or intimidating as it looks. This article will guide you through the steps using a Holley rebuild kit.

An overview on swapping turbo mufflers for chamber mufflers on a 1969 C/10 pickup. See how to extend the muffler length using exhaust pipe.

Tips and tricks to pull the most from your GM 602/604 platform.

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