Jaguar 4L85E Shifters and Control Modules

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

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.

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

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.

Learn how to identfy motors for your LS Swap. In this guide we cover generation 4 small block engines and some of the cheaper options for more power.

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.

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.

Trying to decide which power plant to use in your latest project? Here's a quick guide of modern V8 engines for hot rodders to consider.