Speedway Motors GMC Typhoon 4L65E Parts

This old sedan was untouchable in the early 60's.

After years of dominance with the legendary 4x sedan, "Speedy" Bill Smith and his hotshot driver Lloyd Beckman upgraded to this sleek new offset roadster for the '64 season.

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.

Whether you've never had the chance to see our warehouse or talk to the team at the counter or you've been here a hundred times, check out this behind the scene video.

Mike's Cyclone was a rare bird when it left the factory, and it's led an amazing life since then! Mike's goal is to go 200 at Bonneville in a car that has done Hot Rod Power Tour and has logged a ton of street miles...

Derek kicks off his 55 Chevy rebuild with a fresh small block.

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.