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Thread: Can I run w/o trans oil going into radiator???
          
   
   

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  1. #1
    Henry Rifle's Avatar
    Henry Rifle is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 34 Ford Low Boy w/ZZ430 Clone
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    If you put a sensor in a trans line, put it in the output line as close to the trans as possible. That gives the best indication of temp. It's probably the best place for a sensor.
    Jack

    Gone to Texas

  2. #2
    Don Shillady's Avatar
    Don Shillady is offline CHR Member Visit my Photo Gallery
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    I checked the B&M directions and they do specify the return line for the sensor. Of course that would hopefully be the cooler of the two lines so that reading is optimistic.

    Don Shillady
    Retired SCientist/teen rodder
    Last edited by Don Shillady; 11-19-2008 at 07:54 AM.

  3. #3
    34_40's Avatar
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    Quote Originally Posted by Don Shillady
    I checked the B&M directions and they do specify the return line for the sensor. OF course that would hopefully be the cooler of the two lines so that reading is optimistic.

    Don Shillady
    Retired SCientist/teen rodder
    Don, like you I don't have a huge bunch of space "under there".. the connections for the radiator : trans cooler are especially tight. My first choice was 90' ell male thread X 3/8" compression brass fittings. Never a second thought! My 3/8" tubing was anodized blue aluminum tubing. I fabbed the tubings to bring the connections to the side of the radiator where I could add some hoses to provide a flex joint. The tubing is clamped to the frame with some of the rubber coated clamps and screwed into the frame.

    I've never had a failure with any compression fittings. Until the state of Mass outlawed it back in the 80's we used them on brake lines!
    I wouldn't worry about using them.

  4. #4
    34_40's Avatar
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    Quote Originally Posted by Don Shillady
    I checked the B&M directions and they do specify the return line for the sensor. OF course that would hopefully be the cooler of the two lines so that reading is optimistic.

    Don Shillady
    Retired SCientist/teen rodder
    OH, almost forgot, I like the idea of putting the sensor in the return line. I think I'd like to know if the trans was getting a "hot" fluid "added in".... If the temp going into the trans was say 140' to 150', you could assume that the coolant from the engine was influencing the trans fluid cooler. If the Engine temp got excessive at say, 200' : 205' yet the trans cooler return stayed at 140' : 150' you'd know you're radiator system was working and a problem was within the motor and not the trans adding to a different problem.

    Well, my 2 cents.. IMHO...

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