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  1. 390 fe makes wierd noise on acceleration

    Engine
    390 fe, hei dist with msd 6a, comp cams CCA-CL33-224-3, 2105 edel intake, holley 670 street avenger, fmx transmission. It was running fine, has been for a while. I noticed this weird noise that happens under hard acceleration, it came out of nowhere. It sounds like a whoosh of air and happens in...
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