Just like a solid foundation is important for a sturdy house, a well-prepped engine block is critical for a motor make big power—and do it more than once. A professional engine builder offered to show ...

Combustion chambers have come a long way since these old "real" Pontiac V-8 open-chamber heads, circa 1968 and later. Notice there is no designed-in swirl or mixture motion whatsoever, just the first ...