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Old 07-11-2008, 02:32 AM   #5
SaabTuner
Scooby Specialist
 
Member#: 67608
Join Date: Aug 2004
Location: SoCal
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There's no point. The boundary layer of air is thicker than the depth of those grooves.

If it weren't, your aluminum heads would melt under the 3,000+*C combustion temperatures.
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