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    Transmission Cooler Install Problems

    Hi All,

    I need help from some experts:

    I want to install a B&M #70273 transmission oil cooler in my 91 Grand Marquis, in series with the radiator cooler.

    But I want to keep the 5/16" flared steel tubing I now have and just extend it to connect to the cooler's 1/2" female NPT pipe outlets. ( I don't want to use rubber hoses ).
    To do this I would buy 2 pieces of 5/16" steel tubing with the fittings already on both ends and bend them.

    The problem is:
    I can't seem to find 5/16" flared to 1/2" NPT adapters (to screw on to the cooler outputs).

    I also can't find a 5/16" to 5/16" flared tubing coupler (to connect from one cooler output to the existing return line).


    Can anyone please help, or give me an alternative?
    Thanks much,
    91gmblack

    #2
    check Lowes for the fittings... they've got much more than an auto store will carry.
    Pete ::::>>> resident LED addict and CFI defector LED bulb replacements
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      #3
      Originally posted by 85crownHPP*
      check Lowes for the fittings... they've got much more than an auto store will carry.
      Even better try a ACE hardware or a true value, or even a mom and pop type of hardware store. The employees there will most likely know exactly what you need.
      http://secondhandracing.com/Home.aspx
      http://secondhandradio.com/

      R.I.P. Jason P Harrill 6-12-06

      http://www.grandmarq.net/vb/showthread.php?t=5634

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        #4
        mcmaster.com also has an incredible selection of stuff.
        Builder/Owner of Badass Panther Wagons

        Busy maintaining a fleet of Fords

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          #5
          I ran the rubber hose when I put the trans cooler on my aunt's 90 Grand Marquis. For the one side, I scavenged part of the tranny cooler line from her junked 91 Grand Marquis. I slipped the rubber hose over the flare in the line from the trans so if I ever have to remove the cooler, I can simply screw the factory line back into the radiator.

          Tom

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            #6
            Damn, and I paid whole $12 for a connectors kit from Hayden that screws in both the radiator and the tranny line qwik-connect fitting, while I could have used only a $2 radiator fitting and do TommyN's trick... I'm such an idiot!

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              #7
              Thanks Fellas,
              McMaster said they couldn't help me (strange, with the inventory they have??)

              I found a site called Smith Fasteners, and they seem to have what i need to connect my 5/16" tubing to the cooler's 1/2 NPT inlets. I'm waiting for a price from them.

              Thanks again, you guys were a helluva lot more helpful than cv.net!!

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