Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

From Street Stock to Winston Cup, the three most important areas for engine performance improvements are cylinder heads, valvetrains, and intake manifolds. In particular, cylinder heads affect most ...

Our mechanic takes us through the cylinder head and valve train and continues his explanation of how engines really work. The Mechanic is the kind of chap who eat, sleeps and breathes engineering.

Horse Sense:Trick Flow is full service when it comes to gear. Not only does the company address modulars, but it now offers a line for the ever-popular Cleveland engine family. There’s no doubt that ...

We're all familiar with the role injectors and turbochargers play in increasing a diesel engine's horsepower. However, when camshafts and cylinder heads are thrown in the mix, the familiarity isn't ...

GALESBURG, Mich.--(BUSINESS WIRE)--Power management company Eaton today announced its Vehicle Group has introduced its next-generation sodium-filled hollow-head valves, which improve fuel economy, ...

Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...

I’m not sure if any engine built today will still be salvageable 100 years from now. Not to sound like a grump, but so much relies on computers that will surely be obsolete by then. And let’s not get ...