AC 428 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.

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

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

Speedway Product Manager Jeff K. talks about the old failing "Dealer Air" in his '46 Ford Sedan Delivery we've become familiar with, and the replacement unit from Vintage Air he got from Speedway Motors.

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

Learn how to install an external Transmission Cooler, to help keep the temperature of your transmission consistent.

In this Tech Tip, John offers some guidance to a customer looking to cool his 1946 Ford Sedan.

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

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.

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.