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what temp. do you run your 6.2 at?

Discussion in '1982-Present GM Diesel' started by colbystephens, Sep 29, 2006.

  1. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    i'm wondering if i should be running my eng. temp a bit higher. what do you run yours at?
     
  2. 6.2 man

    6.2 man 1/2 ton status Premium Member

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    I run mine a t 180 I used too run alot hotter and somebody thought that maybe the higher temp was ruining my transmission . I went thru 2 bfore I switched
     
  3. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    why would engine temp affect tranny temp? what temp were you running it at. mine is about 180* right now, i'm thinking maybe 210 will burn fuel more efficiently?
     
  4. BKinzey

    BKinzey 1/2 ton status

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    I think stock is a 185 or 195 Thermostat.

    210:yikes::yikes: Burn up your engine efficiently is more likely:doah:
     
  5. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    why would 210 burn up your engine efficiency?
     
  6. imiceman44

    imiceman44 1 ton status

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    He said efficiently, that was sarcasm :D
    Actually if you seperate the tranny cooler from the engine and you can guarantee you keep the engine temp at 210 to no more than 220, you should be OK and yes get more efficiency, but down here in the summer that would be a chalenge.
    The newer cars actually do run closer to the 200 mark for that reason.
    And to do more, you need to understand more of the thermodynamics:
    The bigger the difference in temp between the combuston chamber and the outlet at the tip of your exhaust, the better the efficiency, so if you can also reduce the temp of your exhaust gasses, you will be in better shape.
    I always thought about making some water cooling mufflers, the water would definitely muffle vibrations and would cool the exhaust gas.
    :wink1:
     
  7. 6.2 man

    6.2 man 1/2 ton status Premium Member

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    I used to run it at 200 and then sometimes it would hit 210 . Somebody told me he thought that was heating the tranny fluid up also and maybe thats why I lost a few transmissions ? Go figure
     
  8. ankarback

    ankarback 1/2 ton status

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    Mine has a 195* thermostat. Most cars runs that ove here since the temperatures can get pretty low in the wintertime.
     
  9. colbystephens

    colbystephens 1 ton status GMOTM Winner

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    maybe i'll try a 195* thermostat, and keep the 185* stat on hand. altho, i can't imagine 10* could make that much of a difference... could it?
     

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