In the last six months or so, we've been upgrading a pair of small-block V-8s-a Chevy and a Ford-by starting with stock crate engines, adding an assortment of aftermarket goodies, and then testing the ...

It's appropriate, we think, that a camshaft has lobes, since this relatively simple device is so often called the brains of an engine. And indeed, a camshaft does direct several engine functions in a ...