We all have heard the statement that an engine is an air pump; the more air it can pump the higher the output will be. The industry standard for quantifying the amount of air passing through the ...

The art of creating great cylinder heads includes many different things, but a large portion of it comes from lots of time spent with a grinder in hand and in front of a flow bench, determining just ...

Port Flow Analyzer – now available from SuperFlow Technologies Group – is a computer software program designed to streamline recording, calculating, reporting and graphing of cylinder head flowbench ...

"I want big power," was the comment from Editor Smitty to Mike Dezotell and myself during a brainstorming meeting last month. The power he was referring to is the little supercharged Two-Valve bullet ...

Without question, cylinder-head porting is a science. The act of removing metal from the intake and exhaust ports to increase airflow has been used for decades, and in most cases, a skilled head ...