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OBS thermostat?

This is a discussion on OBS thermostat? within the Forced Induction forums, part of the Performance category; What thermostat are you guys running on your 5.7 blown motors?...

  1. #1
    RAGMC ragmc's Avatar
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    OBS thermostat?


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    What thermostat are you guys running on your 5.7 blown motors?

  2. #2
    406cu.in. of fun
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    Re: OBS thermostat?

    160.
    '91 C1500 with a 406 AFR Heads, Compcams 12-423-8 retro-roller camshaft, Thorley headers, Holley 770 carb, Edelbrock Air Gap manifold, K&N X-Stream, and quickly balding rear tires

    '08 K2500HD LTZ "Southern Comfort" crew cab, Duramax, 6" lift, 35" tires with Procomp wheels, EFILive

  3. #3
    Cause Finished is Boring LSx2dr's Avatar
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    Re: OBS thermostat?

    160

  4. #4
    Australian Chevy
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    Re: OBS thermostat?

    160
    Howard

    YOU ONLY NEED TWO TOOLS IN LIFE - WD-40 AND DUCT TAPE. IF IT DOESN'T
    MOVE AND SHOULD, USE THE WD-40. IF IT SHOULDN'T MOVE AND DOES, USE THE
    DUCT TAPE.

    98 K1500 Suburban, 4L80E, Whipple SC, Marine Intake, Hydroboost, LS1 0411 PCM.

  5. #5
    Supporting Member Bob T's Avatar
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    Re: OBS thermostat?

    Three responses. One from WA, one from TN, one from Australia.

    THEY ALL AGREE. The end of the world is near. Be very afraid.
    '04 Silverado 1/2 ton 2WD ext. cab dk. grey. 5.3 liter, locking diff. XLerator exhaust - offbrand but throaty. Borgeson intermediate shaft, Bilstein HD shocks.

    KJ6LFD

  6. #6
    RAGMC ragmc's Avatar
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    Re: OBS thermostat?

    Thanks guys. So what operating temp dose you truck run at?

  7. #7
    Australian Chevy
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    Re: OBS thermostat?

    Mine operates between 91 and 94 celsius normally.
    Howard

    YOU ONLY NEED TWO TOOLS IN LIFE - WD-40 AND DUCT TAPE. IF IT DOESN'T
    MOVE AND SHOULD, USE THE WD-40. IF IT SHOULDN'T MOVE AND DOES, USE THE
    DUCT TAPE.

    98 K1500 Suburban, 4L80E, Whipple SC, Marine Intake, Hydroboost, LS1 0411 PCM.

  8. #8
    S/C Z71
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    Re: OBS thermostat?

    Quote Originally Posted by ragmc
    What thermostat are you guys running on your 5.7 blown motors?
    160

  9. #9
    406cu.in. of fun
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    Re: OBS thermostat?

    Mine runs at about 168-170F, but that's assuming the sensor is accurate.
    '91 C1500 with a 406 AFR Heads, Compcams 12-423-8 retro-roller camshaft, Thorley headers, Holley 770 carb, Edelbrock Air Gap manifold, K&N X-Stream, and quickly balding rear tires

    '08 K2500HD LTZ "Southern Comfort" crew cab, Duramax, 6" lift, 35" tires with Procomp wheels, EFILive

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