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 ...

While on paper our Boulevard Bruiser ("Ground & Pound," October '09) seemed well at home in the upper rpm. A closer look revealed a less-than satisfactory issue with valve float and subsequently a ...

The big-block Chevy first saw the light of day back in the '60s when it first appeared as a NASCAR powerplant known as the "Mystery Engine." Here we are some 45 years down the road, and getting real ...