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Re: GM tech help needed?
got a crazy question...
we got this baby fired up and it purrs like a kitten however around 1800 rpm on deceleration only its makes a "flutter" noise. It seems to be coming from the front drivers side of the engine. At idle and throttle up its great. It will do it under load but just at @ 1800-2000 rpm. We thought the vacuum pump so we took the belt off but that wasn't it. Header is tight,.... Any ideas??????
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