camshaft tech

The world of high performance engines can be a very confusing place, where terms and specifications seem to be full of obscure references that appear to make no sense. But […]

The automotive world has totally embraced the notion of hydraulic roller lifers. Yes, rollers reduce friction and present the opportunity to employ a more aggressive lift profile compared to a […]

I have a survivor ‘66 Corvette 427. I selected the Factory Muscle solid flat tappet cam as I was trying to stay as true to the original build as possible. […]

In today’s video, Mark Campbell at COMP Cams walks us through the four primary types of camshaft cores. Cam cores, or an unground lobe camshaft (UGL), are essentially unfinished camshafts, […]

I’m building a street 540 big block Chevy with a mild hydraulic COMP Thumpr cam, rectangle-port heads, and 9.5:1 compression ratio that looks like a stock L88 to go in […]

When a camshaft is “degreed” it means the camshaft position in the engine has been synchronized with the crankshaft position. Degreeing the cam is the only real way to determine […]

The LS engine remains the darling of the performance world, but does that mean all LS owners are looking for the same thing when it comes time for upgrades? Obviously […]

Q: What is valve overlap? … A: Overlap is when the intake and exhaust valves are open at the same time. It is expressed in degrees of crankshaft rotation. Not […]

I’ve seen in a 4.8L LS engine story where you used a COMP short duration hydraulic roller cam and the engine made really good power. That cam, if I recall […]

In previous articles, we’ve talked about the importance of Considering Individual Timing Events When Choosing a Cam to help us determine the duration, lobe separation and advance needed. This is especially important […]