Stock Car Differentials

In this Tech Tip, John responds to a customer looking to upgrade the 8” stock differential in his Cougar to a 9” open diff.

Need help with rear end identification for your muscle car or hot rod? Learn how to identify 9-inch Ford housings and how to measure your axles with our diagrams.

Take your crate motor racing to the next level with these tricks and tips that won't get you in hot water with tech officials!

Now that Project Chevelle is finally making real power, we want it all to get to the ground without breaking anything. Follow along as we install a 9-inch housing, third member, and some trick tubular control arms!

Get more details on Project Chevelle's 9-inch housing, third member, and tubular control arms installation.

In this article, Jeff provides tips on how to successfully install a custom length driveshaft into his 1967 Chevelle. This guide explains how to take accurate measurements while choosing your specific length, slip yoke, and u-joints for a perfect fit.

A step by step guide on how to install an open drive conversion kit on a Ford Banjo rear end. View the list of tools and materials needed to complete this installation.

With the new housing and brakes installed, Jeff chooses new wheels and tires for his 1967 Chevelle. See how he gets the perfect fit with enough clearance for brakes, coilovers and even 15" wheels.

We finally get to drive Project Chevelle after the big engine swap, and it's pretty awesome. Rowing through the gears with our new Tremec 5-speed isn't bad either!

Read how to lower the rear of your 92-98 Chevy pickup using a DJM lowering kit. These tips are helpful for smooth completion.