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Fair enough.
I don't happen to have another set of 3.4 heads, but I do have some 996 3.6 heads
with very low mileage that could serve as a baseline.
Would the 3.6 heads have the same specifications at the 3.4?
My gut tells me no as the angles for 3.4 and 3.6 should be different.
thanks,
Mike
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