We may receive a commission on purchases made from links. There are many V6 and V8 engines that use camshafts located within the engine block and pushrods to activate overhead valves. In those engines ...

Judge denies motion to sever GM lifter lawsuit, keeping AFM and DFM claims together after four-year delay. Plaintiffs face an uphill battle.

Mechanical lifters were once commonplace in internal combustions engines, but they've been mostly replaced by hydraulic lifters, which offer a lot of benefits.

In a world without limits, camshaft designers have known for decades what profiles they'd like to grind. But real-world technological limitations-in terms of design feasibility, materials science, and ...

I'm building a 383 Chevy small-block for general street and strip use and have come to the point where it's time to select a cam. My question isn't as much about which cam to go with but rather what ...