Quote:
Originally Posted by InfiniteDice
haha... yes I talked myself backwards there, what I meant was,
DIAMETERS:
BIGGEST --------------- Smallest
Exhaust Port.....Gasket.....Head
We're not talking a wall here, more like a very small .5 - 1mm lip.
That way the flow steps out to the larger area... when/if you get back flow it will hit the lip but that's not important.
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That makes more sense
That's what I did as well, except I left the port diameter in the head about 2mm smaller all the way around to account for the ability of the exhaust gasket to shift. I don't want any overlapping of the gasket and the port in the head.
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