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  • Thermostat...running very cool I think


    OK dilemma here and need suggestions.

    Mr Car
    50 Amp alternator
    960 Miles on the car
    Did the complete engine overhaul, rings etc
    “B” Carb
    “B” Distributor
    Using Vintage Percision Housing for thermostat (VPH)

    at the beginning I had the stat 160 installed in the VPH & 160 Stant Thermo, always loved it but I was running around 185-195, when stopped i was 200...concerned me..A bit warm for me. This was April this year when i started to drive the car when done.
    SO i removed the Thermo, it and was then driving at 140-150..NOW i have been driving all the time, temps are in the high 60's low 70's in Illinois and I cannot get it above 130 degrees... What is the suggestion? do I put the Thermo BACK IN???? What say you Tom and the other folks please...
    __________________
    Ill., Region MARC & MAFCA
    MARC JSC Member
    2022 Morgantown National Co-Chair
    National Facebook Admin.

  • #2
    How many holes do you have drilled in it?
    3 ~ Tudor's
    Henry Ford said
    "It's all nuts and bolts"


    Mitch's Auto Service ctr

    Comment


    • #3
      Actually here is the system with the thermostat they supply Stant #45356

      You do not have permission to view this gallery.
      This gallery has 2 photos.
      Ill., Region MARC & MAFCA
      MARC JSC Member
      2022 Morgantown National Co-Chair
      National Facebook Admin.

      Comment


      • #4
        Drill 3 holes in it but buy a new one.. i would not reuse it since it could be defective
        Any good brand 160 will work, gates, stant etc
        3 ~ Tudor's
        Henry Ford said
        "It's all nuts and bolts"


        Mitch's Auto Service ctr

        Comment


        • #5
          There you go with them HOLES, AGAIN!
          KDad Fussin'

          Comment


          • #6
            agree.

            i usually drill holes 1/8" diameter

            Comment


            • #7
              The way that the VP housing is designed, you don't have to drill any holes. The housing already has the by-pass built in. Look closely at the second picture in #3. There are two recesses that allow water to by-pass the t-stat.
              Alaskan A's
              Antique Auto Mushers of Alaska
              Model A Ford Club of America
              Model A Restorers Club
              Antique Automobile Club of America
              Mullins Owners Club

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              • #8
                Carl, does the thermostat has a rubber seal around it? One of my modern cars has that.

                Comment


                • #9
                  Originally posted by Mitch
                  Drill 3 holes in it but buy a new one.. i would not reuse it since it could be defective
                  Any good brand 160 will work, gates, stant etc
                  what makes you think its defective??? brand new
                  Ill., Region MARC & MAFCA
                  MARC JSC Member
                  2022 Morgantown National Co-Chair
                  National Facebook Admin.

                  Comment


                  • #10
                    Originally posted by Dennis
                    Carl, does the thermostat has a rubber seal around it? One of my modern cars has that.
                    Here is a better picture..You can see clearly the by pass on the sides and the O ring to seal it...I am going to insert it in again and see what reading I get from it. We are talking maybe 15 min to install with the 4 bolts.......
                    Ill., Region MARC & MAFCA
                    MARC JSC Member
                    2022 Morgantown National Co-Chair
                    National Facebook Admin.

                    Comment


                    • #11
                      Put it in a pan of water on the stove top. Use a temp gun to compare when it opens to the reading of your gun.

                      Comment


                      • #12
                        You do not have permission to view this gallery.
                        This gallery has 1 photos.
                        Ill., Region MARC & MAFCA
                        MARC JSC Member
                        2022 Morgantown National Co-Chair
                        National Facebook Admin.

                        Comment


                        • #13
                          ... In place of a gasket. Mark, thank you for posting the picture.

                          Comment


                          • #14
                            I know your running cool without a stat but what is the history on the radiator and the block?
                            3 ~ Tudor's
                            Henry Ford said
                            "It's all nuts and bolts"


                            Mitch's Auto Service ctr

                            Comment


                            • #15
                              What I am wondering is, where are you taking the temp reading from? Do you have a gauge plugged into the Tstat housing, or using a infrared gun to check the rear cylinder?
                              You wana look waaay far up da road and plan yer route because the brakes are far more of a suggestion than a command!

                              Comment


                              • #16
                                The T-stat housing has an o-ring groove that seals the two halves together. The o-ring is that black circle shown in the second picture in post #3.
                                Alaskan A's
                                Antique Auto Mushers of Alaska
                                Model A Ford Club of America
                                Model A Restorers Club
                                Antique Automobile Club of America
                                Mullins Owners Club

                                Comment


                                • #17
                                  If you feel real brave, use your wife's meat or candy thermometer.
                                  Alaskan A's
                                  Antique Auto Mushers of Alaska
                                  Model A Ford Club of America
                                  Model A Restorers Club
                                  Antique Automobile Club of America
                                  Mullins Owners Club

                                  Comment


                                  • #18
                                    The machined bypass ports on the VP housing are insufficient for enough circulation to prevent temperature surging in some engines with scale buildup in the rear upper block area. They only really serve to pass trapped air, preventing air isolation of the 'stat sensor. First, test the 160 stat in boiling water. Let it cool off and read the water temperature at the point it starts to close and is fully closed. Then drill ONE 1/4" bypass hole in the stat. Also, have you checked to insure the impeller is tight on the shaft? 130 is too cold. You will never rid the crankcase of condensation from the water vapor in the blowby. Result- acid and sludge.
                                    Mechanical engineering 101: If you put an adjustment knob, screw, bolt, or tolerance specs on something, some people will immediately fiddle with it. If you mark it DO NOT TOUCH everyone will mess with it.

                                    Comment


                                    • #19
                                      Originally posted by Mitch
                                      I know your running cool without a stat but what is the history on the radiator and the block?
                                      Brand new bergs radiator. Block perfect
                                      Ill., Region MARC & MAFCA
                                      MARC JSC Member
                                      2022 Morgantown National Co-Chair
                                      National Facebook Admin.

                                      Comment


                                      • #20
                                        Originally posted by DaWizard
                                        What I am wondering is, where are you taking the temp reading from? Do you have a gauge plugged into the Tstat housing, or using a infrared gun to check the rear cylinder?
                                        Temp is coming from gauge into Tstat housing.
                                        Ill., Region MARC & MAFCA
                                        MARC JSC Member
                                        2022 Morgantown National Co-Chair
                                        National Facebook Admin.

                                        Comment


                                        • #21
                                          Yes, what Mike K. just posted, except I drill two 1/8" holes on opposite sides.
                                          BTW, four 1/8" holes has the same area as one 1/4" hole.

                                          Comment


                                          • #22
                                            I agree with MIke K ,Tom regarding the holes which i mentioned in #3. Those little slit openings in that housing are insufficient.

                                            For 5.00 buy a new stat and drill it out. We get NEW defective parts all the time at the shop
                                            3 ~ Tudor's
                                            Henry Ford said
                                            "It's all nuts and bolts"


                                            Mitch's Auto Service ctr

                                            Comment


                                            • #23
                                              Mark, I recently walked you through a ring job and just minutes ago emailed you about an electrical problem.
                                              Maybe it would be easier for you if you just posted a list of what is NOT busted.
                                              Mechanical engineering 101: If you put an adjustment knob, screw, bolt, or tolerance specs on something, some people will immediately fiddle with it. If you mark it DO NOT TOUCH everyone will mess with it.

                                              Comment


                                              • #24
                                                Not to get into a pissing match with anyone here, but "those little slit openings" in the T-stat housing actually provide for more flow than the often recommended pair of 1/8 inch holes drilled in the thermostat itself.

                                                Having said that, anytime I feel that I need more bypass, it's a simple pull of a knob in the cab to divert all I could ever want thru the heater.

                                                One of the guys in our club actually hard plumbed a line from one of the ports in the T-stat housing back to the water jacket on the rear of the engine next to cylinder #4.
                                                Alaskan A's
                                                Antique Auto Mushers of Alaska
                                                Model A Ford Club of America
                                                Model A Restorers Club
                                                Antique Automobile Club of America
                                                Mullins Owners Club

                                                Comment


                                                • #25
                                                  No pissing match, a good spirited informational thread. Maybe those pics of the slits look smaller than they actually are.
                                                  Personally i never saw one in person
                                                  3 ~ Tudor's
                                                  Henry Ford said
                                                  "It's all nuts and bolts"


                                                  Mitch's Auto Service ctr

                                                  Comment

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