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Transmission Oil cooler

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by JHG, Dec 26, 2002.

  1. JHG

    JHG 1/2 ton status

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    I am putting a huge oil cooler on my ´81 K5. When I placed it in front of the radiator I noticed it blocks nearly half the rad.

    I know that ther should be a less heat from the trans into the rad because of the cooler and the that the heated air will pass the rad and cool it a bit, but I was vondering if this block from the cooler could lead to an overheating situation.

    I was thinking I should perhaps put the cooler somewhere else with its own fan but are not sure where to put it.

    My truck had a 2 row radiator without overheating but has a 3 row rad now so it should not be a problem but still....

    My truck has a 350ci/TH350, 4.88 and 38" tires.

    So if I sum it up:

    1) Could this lead to an overheating situation?
    2) Should I put the cooler somewhere else?

    Thanks in advange,

    Jon H. Gudjonsson
    /forums/images/graemlins/k5.gif
     
  2. Sandman

    Sandman 3/4 ton status Author

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    I dont think you'll have a problem and that is most likely the best place to put the cooler. I say stick it on and see what happens. /forums/images/graemlins/thumb.gif
     
  3. Highlander

    Highlander 1/2 ton status

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    I would say No and heres why
    I turned my A/C condenser into a tranny cooler and I think you know how big that is. /forums/images/graemlins/shocked.gif. I don't know how warm it gets in Iceland, But in Denver Colo it was quite warm here last summer and my 83 did just fine. The way I did mine was I ran the hot ATF to the cooler then back though the rad. so I would not over cool the ATF and so far it looks like it pulls some of the heat out of the rad. Sometime soon I will put a temp guage on it to see what it's doing.

    Eric
     
  4. JHG

    JHG 1/2 ton status

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    Thanks, I will try it then /forums/images/graemlins/smile.gif

    Its definitely a lot hotter in Denver than in Iceland /forums/images/graemlins/wink.gif

    Jon H. Gudjonsson
     

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