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Old 08-19-2015, 04:36 PM
commercialcobb commercialcobb is offline
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Join Date: Sep 2008
Location: Fort Mill, SC
Cobra Make, Engine: Shell Valley, Ford 429
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Oh, it's not backfiring when letting off the throttle.. it's only at WOT and hammering it at idle..

It really appears to be 1 cylinder because it does do it all the time.
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