Willys 4-63 Muncie 4-Speed Transmission Parts

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.

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

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.

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

This is more than the story of a vintage sprint car. It's also the story of how a dynamic duo of "Speedy" Bill Smith and Jan Opperman toppled giants at the 1976 Hulman Classic.

In this Tech Tip, John answers a customer question about what would be needed to swap some additional power in place of his anemic 233c.i. Ford.

In this Tech Tip, John responds to a customer question about the rod end angle on his Model A 4-Bar Suspension Kit.