Quote:
Originally Posted by 69Cobra
If the smaller valve is indeed the better performer here couldn't you adjust the events of the ex lobe on the cam to get your velocity and scavenging back to where it was?
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Yes.
I have discussed this in detail in many previous posts...
Just to give you something to think about since you are a Ford guy, take as an example the reason why the Ford Cleveland head picks up power when the exhaust port and valve is reduced in size...