Classic Truck 28 Differentials

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

A new print and digital magazine about all things classic truck and more, brought to you by some familiar names.

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

Learn what gear oils do for your differential and how to choose the best gear lubricant for your application's needs

A brief overview of the steps Speedway Motors takes to ensure you get a quality differential.

Comparing open diff vs limited slip vs locker differentials. Learn how each works, pros and cons, and which is best for your build.

Ready to get that crusty, stinky old fuel tank out from behind the seat of your classic truck and upgrade to an in-tank electric fuel pump? Speedway Motors has just the tank for you!

A short article explaining the main differences between open and limited slip differentials.

We help determine what are the best 10-spline quick change gear ratios for your street or racing needs

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.