Those wound-up pieces of high-tensile steel under your rocker arms work so hard closing your valves over millions of cycles that they could probably use a replacement right about now. We're talking ...

For many years camshaft technology was limited not by any lack of knowledge on the part of lobe profilers but by valvespring technology that just wasn't up to stabilizing aggressive lobe designs. But ...

In this final installment of HOT ROD's 350-cubic-inch Chevy V-8 engine build series (originally published in October 1989), Steve Anderson breaks down the things to look for and the hard parts you ...