GMT Trucks Camshaft Bushings

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.

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

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

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.

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!

The camshaft is the heart of your engine, choose the wrong one and you’re leaving power on the table

A guide to choosing the right camshaft for your engine. See how to install a new LSR roller camshaft while upgrading valve springs and rocker trunnions.

OEMs have moved away from flat tappet cams, and so has mainstream motor oil. Find out what you need to know about the best oil for flat tappet cams right here.

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

Classic trucks are hot right now - so there's no surprise that there are plenty to be seen at #SEMA2019.