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  • adding a thermostat to an oil cooler

    My car came with the spin on oil filter and the cooler with the steel hoses. The problem is, that it doesn't have thermostat.
    I'd like to add a thermostat but I dn't want to buy a whole new set up.

    Can you cut the steel hoses and put new ends on them to fit a themostat? can you buy an appropriate thermostat by itself?

    or is there a spin on with a built in thermostat for our cars? something like this?
    https://www.jegs.com/i/Earls/361/502/10002/-1

  • #2
    Originally posted by jackag91 View Post
    My car came with the spin on oil filter and the cooler with the steel hoses. The problem is, that it doesn't have thermostat.
    I'd like to add a thermostat but I dn't want to buy a whole new set up.

    Can you cut the steel hoses and put new ends on them to fit a themostat? can you buy an appropriate thermostat by itself?

    or is there a spin on with a built in thermostat for our cars? something like this?
    https://www.jegs.com/i/Earls/361/502/10002/-1
    Take a look at the TRF AM32 oil thermostat to see if you can use it in your application.

    Dick

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    • #3
      I don't think the slip on thermostats work with the steel hoses.

      Comment


      • #4
        Disclaimer - Not at all my expertise area, but I googled the subject and came up with an old post (Triumph experience?) where:
        a) It is suggested that the sensor be immersed in the oil.
        b) Ellwood (Irv) posted having a plug and play combination drain plug/sensor installed in the pan-sump.

        Maybe Ellwood can chime in or amplify.

        '74 TR6 CF13007U aka "Mr. T"
        Custom Blue (Delft-Like) and New Tan (Formerly Mallard and New Tan)
        Points, Ballast Bypassed, Bosch Blue Coil, Moss Cobalt Wires, Champion RN12YC plugs.
        Peaks and tweaks, but the spirit of Original
        Redlines always.
        My wife is the Driver, I'm just the Mechanic....

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        • #5
          Originally posted by jackag91 View Post
          My car came with the spin on oil filter and the cooler with the steel hoses. The problem is, that it doesn't have thermostat.
          I'd like to add a thermostat but I dn't want to buy a whole new set up.

          Can you cut the steel hoses and put new ends on them to fit a themostat? can you buy an appropriate thermostat by itself?

          or is there a spin on with a built in thermostat for our cars? something like this?
          https://www.jegs.com/i/Earls/361/502/10002/-1
          Moss used to sell the stainless thermostat assembly and the proper hoses. Might try to call them or check out the Moss Europe catalog.

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          • #6
            Was in the same dilemma. But in the end I felt that a home made hose fitting failing would mean a very expensive engine repair so bought the proper hoses . However I suspect that it would be much cheaper to get a set made up by a local hydraulic hose specialist rather than buying off the shelf. Just take the old hoses, new thermostat and lengths of hoses required.
            cheers
            Tim

            Comment


            • #7
              The usual suspects in the UK have hose kits with thermostats including mounting bracket. Be sure to let them know you have LHD.

              Tom

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              • #8
                Originally posted by tr6harris View Post
                Disclaimer - Not at all my expertise area, but I googled the subject and came up with an old post (Triumph experience?) where:
                a) It is suggested that the sensor be immersed in the oil.
                b) Ellwood (Irv) posted having a plug and play combination drain plug/sensor installed in the pan-sump.

                Maybe Ellwood can chime in or amplify.
                Ken,

                When I had that setup, it was for an oil temperature gauge.

                I do have an oilstat on my cooler setup. It is the one that requires fittings. Follow this link:

                http://mocalusa.com/thermos.htm

                These guys have been around for decades, and I have sourced much stuff there. There is also a place called Earl's, which makes quality stuff too.

                When my engine was recently rebuilt, the stainless lines and fittings were made up by a local shop. Years ago, I made up oil lines and fittings, with an oilstat, for the TR4 that I used to race. 19 years later, the new owner is using them so I can tell you from personal experience that it isn't that hard to make up your own hoses. The oilstat is an excellent idea if you drive your 6 in a wide range of air temperatures. You don't want your oil going through the cooler on a 30 degree day.

                Hope this helps.

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                • #9
                  thanks elwood. I was trying to figure out where to buy that thermostat in the us.

                  At $169 for thermostat, i will swing by a shop this week and see how much it would cost to get the hoses made/remade.

                  Comment


                  • #10
                    Have the same thermostat.. seems to work well.. On other forums there was a lot of scepticism about whether you really need one on a TR6. However clearly the oil gets hot enough to open the stat (as shown by the oil rad getting nice and warm) even in the UK.
                    Cheers
                    Tim

                    Comment


                    • #11
                      Would anyone that has one of these be willing to measure the lengths of the hoses?

                      Comment


                      • #12
                        Originally posted by jackag91 View Post
                        Would anyone that has one of these be willing to measure the lengths of the hoses?
                        My car is at a shop right now, but if no one measures before I get it back, I will cover you this weekend.

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