porting trhottle body ???
04-22-2009, 12:09 AM
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Staging Lane
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Join Date: Jan 2009
Location: south dakota
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porting trhottle body ??? I was just wondering how many mm can a stock throttle body off of a 99 trans am be ported to? they are 75 mm stock am i right? i am just wondering how many mm they can be ported to. any input is appreciated!!!
