1 Before you get started, check your pushrods for straightness by rolling them on a flat surface, and inspect the tips of the rocker arms for signs of wear or metal burrs, which will mean a short ...

Jacob Potts, Mercer, PA: Here's something you may not hear too often. I'm seriously considering turbocharging one of GM's Turbo-Thrift 250ci L-6 engines for an early '70s Nova. I love the small-block ...