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 ...

Cylinder head porting is often equated with time and expense, and we've all heard horror stories about porting through the casting and ruining the cylinder head. For these reasons, many enthusiasts ...

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 ...

Ever since the small-block Chevy was introduced 50 years ago, engineers, racers, and backyard hot rodders have delved into its cylinder heads in the quest for more power. Chevrolet did an admirable ...

"Racing improves the breed," the old adage goes. But is change always for the good? That's what we set out to discover in this month's dyno thrash. In one corner, we had Dart's veteran Pro 1 aluminum ...