AC Saginaw 4-Speed Driveline and Axles

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.

Here's another in our ongoing series featuring our customers' cars and projects. Chris's Willys coupe is the gasser that he's always wanted, and it's a knockout.

Dive into some of the history and unique differences between Ford and Chevy spindles for solid front axles and what will perform best on your hot rod.

Our hot rod expert takes you through his ford I beam axle setup. Follow as he sets up the front end on his split wishbone front suspension Model A.

When it comes to a traditional style build on an early hot rod it just has to be rolling on a solid front axle of some sort. In this buyer's guide we take you through I-beam and round tube solid axles, spindle choices, radius rod needs, and more.

In this Tech Tip, John answers a customer question about finding the right axle length for his 1931 Model A.

In this tech article, we show you how to measure the working angles on your drive shaft to ensure long life out of your U-joints.

Learn how to assemble the front axle of a sprint car. See what tools are needed for assembly including an angle finder gauge tool and king pin reamer.

How to Identify Your Rear Axle

Learn what goes into setting the fuel for your engine and how to change the density altitude, ADR, main pill and high speed pressure to optimize a/f ratio.