COMP Cams GMC Ignition, Charging and Starting Parts

The 4.8 LS engine is a salvage yard bargain vs the typical 5.3 or 6.0 LS and can still make great power for your LS swap needs.

It's alive! Our 1968 C10 truck project is one step closer to our first drive. In this episode, our old truck finally comes to life with a cammed junkyard LS.

Upgrading to electronic ignition is a huge improvement in performance, reliability, and lower maintenance that you can add to just about any engine your project may be running. Learn all about your electronic ignition choices in this buyer's guide.

Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide. Ensure you are getting the best performance out of your ignition system.

Looking for an easy performance upgrade to your ignition system? MSD's line of Ignition Control Boxes offer extreme improvements to drivability and high rpm applications. Here's a look at the differences between the 6 series line-up.

Bringing an old Mopar back to life isn't always a breeze. Fortunately, MSD has come up with a solution for those outdated and unreliable points-type ignition systems. Find out how to install a MSD 8386 distributor and MSD 5531 spark plug wires

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!

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.

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.