To sleeve or to bore your engine block? That's the several-hundred-dollar question (maybe into the thousands) as you ...

Our mechanic takes us through the cylinder head and valve train and continues his explanation of how engines really work. The Mechanic is the kind of chap who eat, sleeps and breathes engineering.

If size is the only thing that matters, then big-block Fords would dominate the street/strip world. They don't. At least not yet, but big changes are on the horizon thanks to Air Flow Research. Most ...

Ask any professional racer or engine builder and you'll hear that cylinder-head airflow is the most important factor in achieving the greatest peak horsepower from any engine. For years Pontiac racers ...

Oxymoron. Webster's dictionary defines this word as: "a combination of contradictory or incongruous words (as cruel kindness); broadly: something (as a concept) that is made up of contradictory or ...

General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its ...

Welcome to the second installment in our series on small-block Ford cylinder heads; a look at steel and aluminum castings that are designed for solid street and track performance. As many of you know, ...