Dodge 330 4L85E 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 our Tech installs dropped spindels and performs a disc brake conversion on his '55 Sedan. He utilizes a metric brake conversion kit.

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

Speedway Motors employee Jess M. walks us through adding a little salt flat flair to her 1933 Ford coupe, by using moon discs and quarter turn fasteners.

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.

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.

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!