March 30, 2007 Over the last century of automobile development, we have seen an enormous range of valve actuation technologies, ranging from pushrod, through single then double overhead camshafts, ...

Choosing the right combination is critical in building an efficient engine combination. The old clich that bigger is better has been thrown around over and over, and by now, everyone knows that a big ...

For Part I, covering the new combustion system, direct injection, and active fuel management: click here. For Part III, covering the block, crankshaft and lubrication systems: click here. Continuing ...

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 ...

We tossed that question to Mike Dezotell of Dez Racing, and he invited us to get a front row seat as he upgraded a '00 Mustang GT from a pair of OEM sticks to a set of Trick Flow camshafts. He first ...

The Ford Motor Company (F) is recalling 90,736 automobiles due to engine intake valve issues that could lead to accidents. The National Highway Traffic Safety Administration (NHTSA) reported on ...