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Thread: thermostat

  1. #1
    I was thinking about getting a 160* thermostat for my truck and I was wondering if it would make a big improvement in performance? I was also wondering if it would hurt the driveability of my truck?
    99 excab, Nelson Tune, k&n FIPKII, pacesetter long tubes, No Cats, Dual Magnaflows with turndowns,
    1/4: 15.66@88.1 Before Nelson, headers, and de-cating
    Also 69 camaro SS 350 4speed, 13.81@103.6, Ls1 swap planned

  2. #2
    Join Date
    Apr 2004
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    126
    Originally posted by camaross82@Mar 24 2005, 07:47 PM
    I was thinking about getting a 160* thermostat for my truck and I was wondering if it would make a big improvement in performance? I was also wondering if it would hurt the driveability of my truck?
    In Texas I run a 160 in everything. It sure help keep the heat down .
    And has ZERO ill effects from it, still have more heat than I need in
    winter here. And with Mechanical fan in my truck there was no need
    to program anything.
    mostly stock 04 silverado 1500 CC
    Gibson Headers and Sport truck Cat Back
    5.3L 3.73 Detroit True Trac
    165F therm,HpTuner
    07 17" Sierra wheels
    Dark Grey

  3. #3
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    No performance gains with it alone.
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


  4. #4
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    X is right unless you either manually turn on the fans with a switch or reprogram the computer you will see no gain. Besides a cooler running engine mostly helps to avoid detonation, but as far as performance it wont be no 5 horses if thats what you think. If you got the cash do it.
    Had a 91 SB, Open diff, 3.08 gears, stock LS1/T56. 14.8@95.9...sold.
    Now, 90 C1500 350tbi/NV3500....just bought a 5.3...need T56, Swap parts.....

  5. #5
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    Don't forget too low of coolant temps are bad too. It keeps oil from getting thin robbing HP among other things, doesn't let it get off they cylinder walls, etc.

    I'm going to go back to a 180° here when I get the chance.

    Better cooling comes from an H20 pump that doesn't cavitate, more efficient radiator (thicker and wider), and well that's all I can think of aside from a good set of e-fans.
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


  6. #6
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    180* is the minimum temp for healthy combustion, mine runs at 188* with a hypertech 160 powerstat and Allen tuned the fans for it.

    Chris
    2009 Silverado, HPTuners, all stock.

  7. #7
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    Originally posted by chrisj6@Mar 26 2005, 02:44 AM
    180* is the minimum temp for healthy combustion, mine runs at 188* with a hypertech 160 powerstat and Allen tuned the fans for it.

    Chris
    Yeah but I have a 34" radiator in my truck... do you?
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


  8. #8
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    Conway, AR
    Posts
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    No 34 inch radiator here, how much does that lower the coolant temps??

    Chris
    2009 Silverado, HPTuners, all stock.

  9. #9
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    Originally posted by chrisj6@Mar 26 2005, 01:29 PM
    No 34 inch radiator here, how much does that lower the coolant temps??

    Chris
    Pretty noticable, I don't have a laptop to go log it but it even makes the factory dummy gauge read lower!
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


  10. #10
    Hey tthanks for all of the info. It is great to hear from you guys. What kind of temps could I expect from a 160* thermo with manual fans.?
    99 excab, Nelson Tune, k&n FIPKII, pacesetter long tubes, No Cats, Dual Magnaflows with turndowns,
    1/4: 15.66@88.1 Before Nelson, headers, and de-cating
    Also 69 camaro SS 350 4speed, 13.81@103.6, Ls1 swap planned

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