GM H-Body Camshaft and Valvetrain

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.

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.

Once you're ready to start selecting valve train components, we have some useful tips and tools that should boost your performance. We discuss proper valve-springs, pushrod length, and rocker arm ratios.

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

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.

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

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

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.

Choosing new wheels for a GMC Chevrolet truck. This project uses Speedway Motors GM Rally Wheels and new tires to enhance the appearance of the truck.