1968 Temp Sending Unit - NCRS Discussion Boards

1968 Temp Sending Unit

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  • Jeff P.
    Very Frequent User
    • July 31, 1989
    • 799

    1968 Temp Sending Unit

    My motor has been running hot I believe. The temp gauge has always read around 180. While I was doing a coolant flush I decided to change the sending unit. The one I bought was identicle to the outside of the unit. The inside stem was quite smaller as you can see from the picture. Is this ok to use? I thought I read one time they should be calibrated. Thanks, Jeff
    Attached Files
    68 L79 Convertible: Triple Black: Work In Progress, Body off. Now on!
    2014 Arctic White Z51 Vert. (Wifes)
  • John H.
    Beyond Control Poster
    • December 1, 1997
    • 16513

    #2
    Re: 1968 Temp Sending Unit

    Originally posted by Jeff Pollard (15573)
    My motor has been running hot I believe. The temp gauge has always read around 180. While I was doing a coolant flush I decided to change the sending unit. The one I bought was identicle to the outside of the unit. The inside stem was quite smaller as you can see from the picture. Is this ok to use? I thought I read one time they should be calibrated. Thanks, Jeff
    Jeff -

    What caused you to replace the sending unit? None of the aftermarket senders are as accurate as the original, none are "calibrated" (in spite of the advertising hype), all of them read too hot, and require fiddling with add-in resistors, etc. in order to read correctly. I'd put the original sending unit back in and move on.

    Comment

    • Jeff P.
      Very Frequent User
      • July 31, 1989
      • 799

      #3
      Re: 1968 Temp Sending Unit

      Thanks, John. Ill do that.
      68 L79 Convertible: Triple Black: Work In Progress, Body off. Now on!
      2014 Arctic White Z51 Vert. (Wifes)

      Comment

      • Ken A.
        Very Frequent User
        • July 31, 1986
        • 929

        #4
        Re: 1968 Temp Sending Unit

        The new one you bought is calibrated correctly for your car. John is misinformed.

        Comment

        • Jeff P.
          Very Frequent User
          • July 31, 1989
          • 799

          #5
          Re: 1968 Temp Sending Unit

          Thanks for the reply Ken.
          68 L79 Convertible: Triple Black: Work In Progress, Body off. Now on!
          2014 Arctic White Z51 Vert. (Wifes)

          Comment

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