"Once you've put headers and a bigger cam into a 2010 Camaro, short of bolting on a blower or building a stroker, the only thing left to do is to install better cylinder heads." Those were the words ...

The crazy times we live in as gearheads. Wasn’t that long ago, a performance car leaving the factory with 400-plus horsepower was equivalent to owning your own street-legal racecar. Today, having 400 ...

The L99 is a 400-horsepower engine while its fraternal twin--LS3--is rated at 422 hp. The difference lies in the valvetrain; as the short-block, heads, and intake manifold are identical. One small ...