Q:I have a 327 in my '31 Ford that features nearly the same cam and components as the one you referenced recently in Pit Stop (Nov. '12). Since a 1.6:1-ratio rocker arm will push the valve a little ...

It is incomplete to even talk about degreeing a camshaft without discussing piston-to-valve clearance. It's like learning how to drive but never being taught how to use the brakes. Learning how to ...

The instance of piston striking valve is right up at the top of the list of things that will ruin your day. It's fundamental tothe four-stroke cycle that valves and pistons come close to one another, ...

The more we learn about engines, the more it becomes apparent that every detail is important when building a high-performance engine. Sure, the big components like heads, cams, intakes, carbs, and ...