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You make a good point Dusty, the mixture movement initiated during intake
would move freely in the dish with no obstruction throughout the compression
stroke all the way until squish action at TDC. That same swirl would decay
much faster if the dish mirrored the shape of the combustion chamber.
The same would apply for unobstructed flame travel to the far reaches of the
dish during reverse squish early in the power stroke.
That would explain the even tan tint in the dish posted by rookie!
Last edited by automotivebreath; 08-14-2007 at 10:10 PM.
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