GMC Sierra 1500 Classic Camshaft and Valvetrain

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

Rebuilding an engine? Stay organized by using a valvetrain rocker arm organizer tray while disassembling the valvetrain components. Learn some tips on why you shouldn't mix up lifters if you intend on using them again.

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!

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!

How to install AVS side window deflectors on a 2013 Dodge Ram 1500.

In 2000, Sam Schmidt was involved in a serious crash testing his Indy car. He was paralyzed from the neck down. But that hasn't stopped him from hitting the track, and he does it in this hot rod Corvette packed full of miraculous electronic innovation.