Ford Muscle Forums : Ford Muscle Cars Tech Forum - View Single Post - C6OE, exh ports humps
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post #5 of (permalink) Old 11-03-2012, 08:10 PM
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Join Date: Feb 2003
Posts: 134
Re: C6OE, exh ports humps

The purpose for those bumps is nothing more then a flat spot when drilling the AIR ports. Have you ever tried to drill at an angle?
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