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  • #1

    coolant temp gauge

    i have 2 temp sensors i need to run stock one so my fan turns on when it needs to and an aftermarket one for my digital temp gauge. my question is can i drill both 3500 heads? im thinking about putting them in the location that is stated on domesticcrew.com (2.8 location) but on each head


    does any1 see a problem with that? im gonna look at a bunch of pics to make sure nothing goes in that area...

    so drivers side corner on the head closest to the firewall and pass side corner on the radiator side

    sigpic
    88 Beretta CL- 13.641@102.76mph (rwd LS1/t56 conversion in progress)

    77 Celica GT- 3400/3500 swap in progress (engine from the beretta)
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  • #2
    Yea you can do that. You could also drill into the LIM watter passages as well.
    1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
    1990 4Door, 3.2L V6 TBI, 5spd manual. 4X4. Trooper
    Because... I am, CANADIAN

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    • #3
      Water has one T... lol

      You can put a sensor back where the stock 3400 one was on a 3500 LIM... and REMEMBER there are already two holes in the sides of the heads on 3500's one has a alan bolt in it plugging it, and the other is supposed to have the factory two pin temp sensor for the 3500... I had my 3400 sensor modified to fit there, but I'm sure you can drill those holes out and re-tap them to fit the sensors you need.

      See where my sensor is, thats a stock 3500 location, back head on trans side, front head next to waterpump... that may not fit tho, unless your other gauge is a smaller sensor.



      See the alan bolt in the top righ hand of this pic... thats where the other stock hole is.
      Last edited by 3400-95-Modified; 06-04-2008, 08:56 AM.

      Got Lope?
      3500 Build, Comp XFI Cam 218/230 .050 dur .570/.568 lift 113LSA
      Fully Balanced, Ported, 3 Angle Valve Job, 65mm TCE TB, S&S Headers.
      Stage-1 Raybestos/Alto 4t60e-HD, EP LSD, 3.69FDR
      12.61@105 Epping NH Oct 2015 Nitrous 100shot (melted plugs) 13.58@98.8 N/A 3200LBS

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      • #4
        Why does your block say 3.1 and 3.4 ?? wtf !
        sigpic New 2010 project (click image)
        1994 3100 BERETTA. 200,000+ miles
         16.0 1/4 mile when stock. Now ???
        Original L82 Longblock         with LA1, LX9, LX5 parts
        Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

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        • #5
          ok thanks man

          i belive my block says 3.1 that too
          sigpic
          88 Beretta CL- 13.641@102.76mph (rwd LS1/t56 conversion in progress)

          77 Celica GT- 3400/3500 swap in progress (engine from the beretta)

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          • #6
            Below the G53 there is also what looks like a 3.4 as well.
            -60v6's 2nd Jon M.
            91 Black Lumina Z34-5 speed
            92 Black Lumina Z34 5 speed (getting there, slowly... follow the progress here)
            94 Red Ford Ranger 2WD-5 speed
            Originally posted by Jay Leno
            Tires are cheap clutches...

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            • #7
              Thats why he asked why it says both...
              I assume it does becuase its the same casting as the large bore 3.1's so they just bore them out for a 3.4

              only the 3.5 has its own new casting.

              Got Lope?
              3500 Build, Comp XFI Cam 218/230 .050 dur .570/.568 lift 113LSA
              Fully Balanced, Ported, 3 Angle Valve Job, 65mm TCE TB, S&S Headers.
              Stage-1 Raybestos/Alto 4t60e-HD, EP LSD, 3.69FDR
              12.61@105 Epping NH Oct 2015 Nitrous 100shot (melted plugs) 13.58@98.8 N/A 3200LBS

              Comment

              • #8
                Originally posted by 3400-95-Modified View Post
                Thats why he asked why it says both...
                I assume it does becuase its the same casting as the large bore 3.1's so they just bore them out for a 3.4

                only the 3.5 has its own new casting.
                I misread what he posted >.<
                -60v6's 2nd Jon M.
                91 Black Lumina Z34-5 speed
                92 Black Lumina Z34 5 speed (getting there, slowly... follow the progress here)
                94 Red Ford Ranger 2WD-5 speed
                Originally posted by Jay Leno
                Tires are cheap clutches...

                Comment

                • #9
                  Oh, so the 2000+ 3100's have the same block casting as a 3400 but not bored as much? Interesting.
                  sigpic New 2010 project (click image)
                  1994 3100 BERETTA. 200,000+ miles
                   16.0 1/4 mile when stock. Now ???
                  Original L82 Longblock                   with LA1, LX9, LX5 parts
                  Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

                  Comment

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