Cylinder head porting can take many different levels; in most forms of all-out racing, the porting is among the key considerations of an engine program. This should come as no surprise, since, as pro ...

Porting cylinder heads is a blend of art and science, allowing more fuel and air into an engine's combustion chambers, and more exhaust gasses to exit, for a net increase of power and efficiency. And ...

1) What is head porting and polishing and how does it work?Porting involves shaping and/or polishing the intake port openings, the inside of the ports, the exhaust ports, the bowl area below the valve ...

This episode of Engine Masters presented by AMSOIL reinforces the fact that Steve Dulcich is not just the guy in the back of the dyno room—he’s a legit engine master. And you won’t question that after ...

ABSTRACT In order to achieve optimum performance from an engine a homogeneous air fuel mixture must enter the combustion chamber. There are a number of factors that affect the mixture; this study ...

Last week, we introduced you to Robert “Jocko” Johnson, the desert-dwelling sculptor/cylinder head-porting master/would-be land speed record-breaker profiled in the May 5, 1997 issue of Autoweek. This ...