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Old 05-10-2009, 11:05 PM
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sparks sparks is offline
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Join Date: Dec 2002
Location: caledonia, il
Cobra Make, Engine: #1459 w/460(sold)New(used),spf w/427s.o.(sold)
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I think those calculators are VERY misleading...Put your new pipes on(make sure bung is welded in) and have it tuned on the dyno.If its tuned good you will never no the diff. in what AC you use...
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