COMP Cams GMC Classic Truck Engine Parts

Classic cars ran on normal motor oils for decades, so why change now? The answer lies in the evolution of gasoline engines and how motor oil has co-evolved.

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

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!

Picking the right camshaft can be a challenge. Use our camshaft selection guide to learn how to select the right cam for your street rod's best performance.

What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.

Picking a proper camshaft for your project can rapidly deteriorate into chaos. So many possibilities. Want a little advice? Click here!

Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!

Here's our attempt to do the impossible: pick a favorite GM truck design!

Here's a handy guide to familiarize you with our G-Comp line of performance suspension systems.

Step by step guide to the installation of the G-Comp front suspension.