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  • #1

    Whistle?

    I did a search, couldn't find anything already posted on the forum. Is it normal to hear a whistle as i accelerate? If you guys saw the italian job, when the red mini cooper is driving, it has that whistle... think of that but a lot less noticeable but its there. What do you think mine is, since my car isn't supercharged like the red cooper in the movie?

    its obviously a leak somewhere, but where would make a whistle like that, it sounds like something is spooling up
    Tags: None
  • #2
    It could be the Alternator. My 89 makes the same sound and Its either the air pump power stearing pump or the alt.

    Eric W.

    89 Firebird Formula WS6
    Accel/Lingenfelter Super Ram
    6.2L/382.97 ci
    Custom PROM Dyno tuned
    WCT-5 speed
    BW 9-bolt Posi 3.45
    Boss MS 18" Rims
    Headman Headers 1 5/8 Ceramic Coated
    Custom Dual exhaust
    1LE upgrade
    Custom Temperature / Navigation Rear View Mirror
    In a constant state of upgrade!

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    • #3
      Maybe some slight defect in the air intake plumbing???

      I used to have a Turbo Sundance that would "Hoot" when the wastegate opened. It was the oddest thing to hear...
      Joe K.
      '11 BMW 328i
      '10 Matrix S AWD
      Previously: '89 Plymouth Sundance Turbo, '98 Camaro V6, '96 Camaro Z28, '99 Camaro Z28, '04 Grand Prix GTP

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      • #4
        Take the belt off and go for a drive. That would narrow it down for you.
        Tracy
        2002 C5 M6 Convertible
        1994 Z28 M6 Convertible
        Current Mods:
        SLP Ultra-Z functional ramair, SS Spoiler, STB, SFCs, Headers, Clutch, Bilstein Shocks, and TB Airfoil. 17x9 SS rims with Goodyear tires, 160F T-Stat, MSD Blaster Coil, Taylor wires, Hurst billet shifter, Borla catback with QTP e-cutout, Tuned PCM, 1LE Swaybars, 1LE driveshaft, ES bushings, White gauges, C5 front brakes, !CAGS, Bose/Soundstream audio, CST leather interior, synthetic fluids

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        • #5
          now thinking about it, im going to check out my intake elbow, it seems to be a little torn on the bottom where it connects with the TB. Dont know if thats the cause but im going to look into it tomorrow morning

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          • #6
            Any chance you have a BBK aftermarket throttle body? They are known to "whistle" due to casting flash in the IAC passage.
            Fred

            381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motor

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            • #7
              Originally posted by Injuneer
              Any chance you have a BBK aftermarket throttle body? They are known to "whistle" due to casting flash in the IAC passage.
              nope, as far as i know its a stock TB, bought the car used, ill also check that

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