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  1. 10-10-2006, 05:37 PM #1
    z28jerad
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    White
    1999 Camaro LS1

    does anyone elses?

    when my car gets up into high high rpms, like between the shift from first to second when im really gettin on her, there is an underhood noise. you know when you shut a vehicle off and you get out and the engine is kinda pingin every now and then while she is coolin off, well it kinda sounds like that but faster
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  2. 10-10-2006, 06:40 PM #2
    FantaZGuy28
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    YJ
    04 GTO M6

    Send a message via AIM to FantaZGuy28
    If you told us what tranny you have it might help more, A4 or M6?
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  3. 10-10-2006, 07:37 PM #3
    z28jerad
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    1999 Camaro LS1

    i have an Automatic
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  4. 10-11-2006, 02:40 PM #4
    z28jerad
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    1999 Camaro LS1

    it sounds like motot noise not tranny
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  5. 10-11-2006, 03:28 PM #5
    Baluchitherium
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    It has a big wing!

    Sounds like your getting detonation...

    Can be caused by quite a few things..

    Mass Air Flow sensor

    Running lean (Bad fuel pump,clogged fuel filter...etc)

    Higher than normal temps...

    Excessive carbon build up on the pistons...

    Too low of octane rated gasoline...(cheap stuff...)

    Did it just start out of nowhere?Or been doing it for a while...
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  6. 10-12-2006, 08:00 PM #6
    z28jerad
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    1999 Camaro LS1

    i bought the car not long ago, and its always done it, but only at really high rpms. its the same sound my v6 made when the cat plugged. i use 93 octane gas, and the car is mainly stock. i have msd wires, slp lid, gutted airbox with k&n, and a honed out maf
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  7. 10-13-2006, 10:10 AM #7
    heliskiier
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    2000 SS Convertible

    could be the honed out maf...really doesn't give much HP for the irritation it can cause.
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  8. 10-13-2006, 10:20 AM #8
    12secSS
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    Onyx Black
    2001 Camaro SS

    Modifying the MAF sensor typically results in a lean condition, which promotes detonation.
    George P. Lara
    Mine 2001 Camaro SS #0391: FQuick Garage
    Mrs.'s 2002 Camaro SS #7072: FQuick Garage
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  9. 10-15-2006, 12:18 PM #9
    z28jerad
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    whats the best way to fix this problem then
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