Differential Fluid

Posi, limited slip, Traction-Lok, or whatever your favorite brand calls it is how your rear axle provide equal traction to both tires, and trust us, you’ll need it! So, read all about posi units and their benefits here in our guide.

A routine weekly maintenance checklist to perform between each race in order to keep a clean and efficient race car at the track.

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

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!

Lucas P. explains how to choose the correct part for a Ford 9" third member build in order to achieve a bulletproof rear. You will find specific recommended parts to use from Speedway Motors.

Steve provides a step-by-step guide to install the Speedway Motors GM 10-Bolt Polished Finned Aluminum Rear End Cover.

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

The week long ride has come to an end. Speedway motors and the crew at Classic Trucks pulled off yet another Wicked build, tearing down a 1952 Chevy and rebuilding it into a wicked street machine.