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  • Thermostat Information

    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...
    __________________

  • #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.

      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

              Comment


              • #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

                  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.......

                    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.

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                        • A29tudor
                          A29tudor commented
                          Editing a comment
                          I have been running this set-up for a year now, with 160 degree stat, Snyder 6.0 head head, 0.080 over on cylinders, Marvel Scribner carb, 3.54 diff, Did a tour from Paso Robles; Calif, to across South Dakota and return in Sept for 4750 miles and ran at 160-170 degrees except for one long hill in the Black Hills on a very hot day it got to 190 degrees. Got 21.5 MPG for total trip. Engine comes to temp in 3-4 minutes, you see drop in temp when stat opens. I cannot complain. No holes drilled, no bypass tube. Rear cylinder runs about 10-15 degrees warmer, not an issue. Using just distilled water and Wetter. No antifreeze yet. Like the set-up a bunch. Tried a 180 degree stat but it got to 195 before stat opened. Then cycled from 160-190 degrees for some miles, not to my liking so back to the 160 stat. Our hot summers here will live as it will get to 180 degrees some time. Hope this information helps someone.

                      • #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.

                                  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

                                    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.

                                      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.

                                            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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