tioga Posted February 3, 2020 Share Posted February 3, 2020 (edited) Just in case anyone else is looking and can’t find it like me here is the thread size for water temp sensor ports in a 280z thermostat housing. 240z will have the same gauge temp sensor port size. Gauge Water temp sensor is m16x1.5 thermo-time is m14x1.5 Fuel injection temp sensor is m12x1.5 themo switch port is 1/4 pipe. side port on a 280z is 1/4 pipe Edited February 4, 2020 by tioga Quote Link to comment Share on other sites More sharing options...
aitch_de Posted August 17, 2021 Share Posted August 17, 2021 (edited) Brilliant, thanks so much for sharing this. Worth pointing out that the ¼ pipe fitting is ISO7 R1/4 thread which is also known as BSPT (Taper), it's not NPT which is a different pitch. (I had thought that NPT and BSP were interchangeable synonyms, but turns out that BSP(T) is a bit finer thread (19 TPI vs NPT's 18 TPI) and they have slightly different thread forms. Edited August 17, 2021 by aitch_de Quote Link to comment Share on other sites More sharing options...
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