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Thread: 300 Tdi water temp. sender

  1. #1
    2stroke Guest

    300 Tdi water temp. sender

    With a big trip coming up I thought a VDO temperature gauge might be nice, however there are a couple of thread options to choose from before I order the sender. So does anyone know what the thread in the head is to save me taking the stock one out and disabling the old girl any longer than I need to?
    I thought there was a thread on this topic not long ago but my search skills are obviously lacking.

  2. #2
    Join Date
    Jan 1970
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    NSW far north coast
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    1/8-27 NPTF

    The standard VDO sender

    The mechanical versions thermowell screws straight in.

  3. #3
    2stroke Guest
    Thankyou Rick, I had planned to use the electric because it'd be easier to get the dash back out if required? Not too sure about accuracy?

  4. #4
    Join Date
    Jan 1970
    Location
    NSW far north coast
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    I went mechanical eight or nine years ago as it 'fixed' the earth problem in one fell swoop

    Never had a problem getting the dash out, but I did rub a capillary through once on an injector line which meant a new gauge. (cheaper than fixing)

    Now run better secured and with it inside split corrugated tube.

  5. #5
    2stroke Guest
    So a VDO electric one including sender is $70 and a mechanical is $90. I prefer the greater dial coverage on the mechanical so maybe I'll go mechanical and change to mechanical oil pressure while the dash is out.

  6. #6
    Join Date
    Jan 1970
    Location
    NSW far north coast
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    I forgot that the wider scale range was another reason I went mechanical.

    I only recently removed my mechanical oil pressure gauge as it was supposedly only a temporary thing from way back when I lunched the big ends (I pinched an old Smiths gauge out of an old race car)

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