COMP Cams Pontiac Grand LeMans Engine Parts

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.

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.

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.

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

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

An LS cam swap can yield big power gains. And, you can do it at home. Here's how...

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 GM LS engine is the hot powerplant these days. But is there too much of a good thing?

To celebrate the upcoming 106th running of the Indianaplis 500, here's a look back at a few of the engines that have competed at the Brickyard over the years.

A son pays tribute to the dad who raised him to be a gearhead.