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UD Pulley M6 Problems?

This is a discussion on UD Pulley M6 Problems? within the External Engine forums, part of the LSx Technical Help Section category; I am currently working on a full bolt-on project SS that will have an LS6 intake, QTP Headers, Custom-Y, and ...

  1. #1
    Junior Member
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    Hugger Orange
    1999 SS

    UD Pulley M6 Problems?

    I am currently working on a full bolt-on project SS that will have an LS6 intake, QTP Headers, Custom-Y, and a Tune put on the car within the next month.

    However I am considering a UD pulley as well.

    My question is to people with an M6 car. Are there any drawbacks such as a loss of powersteering or dim lights with the car at idle and the AC running?

    Any cooling problems?

    Any other input would be great as well. Thanks!

  2. #2
    Member
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    primer
    1973 Camaro

    I've had mine for a while now. I didn't notice a difference in anything.
    '73 Plain Jane Camaro, Gen III, T56
    '02 WS6, M6
    All gone but not forgotten

  3. #3
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    Same here.
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
    Lowered, HID's, tinted.

    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

  4. #4
    Member 98Z-28Camaro's Avatar
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    black
    1998 Z-28 Camaro

    I have a a4 with a ud pulley and have experienced no problems. I only have 13 volts when the car is completely warm, lights on, fans on high, and radio on. Turning off the stereo would probably fix this problem though

  5. #5
    Junior Member
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    Pewter
    99 TransAm

    Zero problems here, 4K on the clock.

  6. #6
    Junior Member
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    Black
    98 Trans Am

    For the most part there are no drawbacks to an underdrive pulley on an M6. My lights are SLIGHTLY dimmer and my steering is SLIGHTLY more difficult, but I'd bet most people wouldn't even notice the difference. It's nearly imperceptable. I wouldn't sweat it one bit.

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