Camshafts: What effect does increased lift have on performance?

66fs said

And if your ports flow the same at .450 as .500+ what are you gaining with the extra stress and clearance issues.

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What if the head flows the same at .450 and .600?

You still lift the valve to .600 because you lift average the flow.

Unless you are a street car guy. Then performance doesn’t really matter as long as it sounds cool.