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 ...

We decided to flow the intake and exhaust runners of several popular factory cylinder heads and then port an intake and exhaust runner to compare the difference. We'll be performing our testing on the ...

Wet flow testing has moved in and out of the realms of mainstream power topics many times during the last 40 years. Like many aspects of race engine development that are a step aside of normally ...

It’s the suburbanista’s weekend nightmare: you’re almost done with the weekly chores, taking the last few passes with the lawn mower, when you hear a pop and bang. The cylinder head on your mower just ...

Earlier this year, we began a LS2 testing program at Dan Millen's Livernois Motorsports, one of our favorite Detroit area speed shops. In case you are just tuning in, the LS2 is the amazing, pushrod V ...

Cracked cylinder heads and blown head gaskets are not completely unknown on this engine, but exactly how big a problem it is is the real question. There’s one theory that the cylinder heads crack when ...

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