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    Thermostat break in

    I just got my thermostat (motorcraft) and wanted to make sure it worked, so I threw it in a pot of boiling water and it looked like it opened up to about just about a half an inch (thickness of my pinky) Is that about normal?
    "To Find yourself, you must first lose yourself"

    -1973 Volkswagen Bus Westy
    -1986 Honda Magna 700cc
    -1989 Lincoln Town car Signature Series
    -2011 Subaru Outback

    #2
    I'd think so. They don't open much, which leads me to believe that's why it's recommended you take them out when doing chemical flushes & stuff.
    1985 LTD Crown Victoria - SOLD
    1988 Town Car Signature - Current Party Barge

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      #3
      Sounds about right.
      86 Lincoln Town Car (Galactica).
      5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

      91 Lincoln Mark VII LSC grandpa spec white and cranberry

      1984 Lincoln Continental TurboDiesel - rolls coal

      Originally posted by phayzer5
      I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

      Comment


        #4
        How much should the temp be at the thermostat housing? Oil pan??
        "To Find yourself, you must first lose yourself"

        -1973 Volkswagen Bus Westy
        -1986 Honda Magna 700cc
        -1989 Lincoln Town car Signature Series
        -2011 Subaru Outback

        Comment


          #5
          Engine running at operating temp, the thermostat housing should be about the same as the coolant itself, running around 200-220F with a 195F thermostat on a stock lopo. Obviously this may be more after a soak time if you come home, park it, and run inside for about 10-20 minutes.

          Never checked the oil pan temp.

          Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
          rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)
          Originally posted by gadget73
          ... and it should all work like magic and unicorns and stuff.
          Originally posted by dmccaig
          Overhead, some poor bastards are flying in airplanes.

          Comment


            #6
            Ok, the motorcraft thermostat says 192 F
            "To Find yourself, you must first lose yourself"

            -1973 Volkswagen Bus Westy
            -1986 Honda Magna 700cc
            -1989 Lincoln Town car Signature Series
            -2011 Subaru Outback

            Comment


              #7
              close enough. I couldn't remember exactly what the value was. I knew it was more than 190 and less than 200... so I split the difference.

              Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
              rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)
              Originally posted by gadget73
              ... and it should all work like magic and unicorns and stuff.
              Originally posted by dmccaig
              Overhead, some poor bastards are flying in airplanes.

              Comment


                #8
                I've heard 190, 192, and 195. Whatever I can get in that range seems to do the trick.

                Temp between 185 and 205 seems to be normal, depends where you aim the temperature gizmo, the particulars of the thermostat, the accuracy of the thermometer, planetary alignment and how recently you petted a cat.
                86 Lincoln Town Car (Galactica).
                5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

                91 Lincoln Mark VII LSC grandpa spec white and cranberry

                1984 Lincoln Continental TurboDiesel - rolls coal

                Originally posted by phayzer5
                I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

                Comment


                  #9
                  yeah I aimed at the thermo housing, it was around 196-208
                  "To Find yourself, you must first lose yourself"

                  -1973 Volkswagen Bus Westy
                  -1986 Honda Magna 700cc
                  -1989 Lincoln Town car Signature Series
                  -2011 Subaru Outback

                  Comment


                    #10
                    I guess I get 220 because it was august here in Texas and the AC was running.

                    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
                    rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)
                    Originally posted by gadget73
                    ... and it should all work like magic and unicorns and stuff.
                    Originally posted by dmccaig
                    Overhead, some poor bastards are flying in airplanes.

                    Comment

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