Thread: Vac readings n engine temps

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  1. #1 Vac readings n engine temps 
    GTX Level Member JDrach's Avatar
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    So I just got my AC compressor replaced. I've been without ac for 2 years since I bought the car. I noticed my Vac readings on y boost gauge is around 17psi opposed to the normal 20psi it use to be at at idle or at a stop with the ac on. Also with the ac on, my car is running slightly hotter than normal. Prolly around the 200 or so mark, it's a couple notches higher than the stock temp notch on the gauge cluster with the ac on. Is this normal for having ac on? Vac readings were at a dead 20 psi idle and dead even between 210 and 160 for engine temps.
    1998 Grand Prix GTP Daytona - CAI, XP Cam, Iceman tune, Speed Daddy Headers, 3.2 in pulley, Ported blower, Al 103's, 3in Catless DP, Transgo "shift kit", No resonator to Magnaflow Mufflers. 93K Miles
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  2. #2 Re: Vac readings n engine temps 
    GTX Level Member JDrach's Avatar
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    Just arrived at work, at its around 16-17 psi vacuum in drive at a standstill, buy 19-20
    vac in park
    1998 Grand Prix GTP Daytona - CAI, XP Cam, Iceman tune, Speed Daddy Headers, 3.2 in pulley, Ported blower, Al 103's, 3in Catless DP, Transgo "shift kit", No resonator to Magnaflow Mufflers. 93K Miles
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  3. #3 Re: Vac readings n engine temps 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Normal.

    SMGPFC Member #1
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  4. #4 Re: Vac readings n engine temps 
    GTX Level Member JDrach's Avatar
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    K good thank you
    1998 Grand Prix GTP Daytona - CAI, XP Cam, Iceman tune, Speed Daddy Headers, 3.2 in pulley, Ported blower, Al 103's, 3in Catless DP, Transgo "shift kit", No resonator to Magnaflow Mufflers. 93K Miles
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