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 ...

I bought a 1969 Chevrolet Chevelle SS 396 recently and want to know if unleaded gas will harm my engine. Also, will using regular unleaded instead of high-octane unleaded hurt? I’d rather use the less ...

Beneath that stern, intimidating glare and impressive stature is a man with few equals in the realm of cylinder head expertise. There are probably a few people who know more about cylinder heads than ...

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 ...

An extreme mechanical challenge: restoring a Kohler KT17 engine with rusted cylinder walls and pitted valve seats. Follow this passionate project to breathe new life and power into this vintage ...

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 ...