Good ideas have a habit of not always working exactly as they should. We assembled a 0.040-over 350 small-block Chevy in the Jan. '14 issue that we called the Quick Draw .357. It was intended to ...

The concept of placing a small wheel at the end of a tappet to reduce friction has existed for decades, and in fact, roller camshaft setups have been available for the American V-8 engines we tinker ...