Thread: FIXED: "Flutter" sound only under boost. Ideas? - 2006 Grand Prix GT

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  1. #11 Re: "Flutter" sound only under boost. Ideas? - 2006 Grand Prix GT 
    GT Level Member nickbuol's Avatar
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    Sounds good. I will save the $10 on the octane boost.

    Yeah, I misread that on my phone. Saw "tune" and I think that "up" was off the screen. As for the car's condition mechanically, I've had it for a few years and do most maintenance myself. Let's see, in the last year, new quality plugs and wires in April of this year, engine oil (always has been Mobile 1 full synthetic) changed 4 weeks ago, transmission was completely flushed and filled almost exactly a year ago when I had the transmission rebuilt. Air filter is still very clean (don't recall when I changed it, but it is really clean). Supercharger oil was done probably 18 months ago. Have not done a fuel filter or PCV on it. Other items I've repaired/replaced are not related (wheel bearing, new brakes and rotors all around just 2 weeks ago, etc). Car has 130,000 miles on it. I got it when it had 85,000 back at the end of 2010.
    Last edited by nickbuol; 09-25-2015 at 07:35 AM.
    Currently driving a 2006 Grand Prix GT - Stock
    2000 GTP was killed by 16 year old - Nov 20, 2010 - It only had 74,000 miles, a ZZP 3" Catted Downpipe, ZZP SS PLOG, FWI, 180* T-Stat, Flipped Dog Bones, GMPP Sway Bars, G2 painted Rotors and Calipers, HUMount, and was Dexcool free!
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