Boog Posted September 20, 2018 Share Posted September 20, 2018 Hi all, I am in the process of switching to electric fans on my 76 280z and I am planning on threading the temp switch for the fans into the thermostat. The hole I am planning on using is the one where the small elbow comes out of to feed the intake manifold. I am running megasquirt now, so I have no need for this hole. Does anyone know what the thread pitch and size is? I have read so much conflicting information, whether it is BSPT or a standard metric thread. The one I am talking about is the one in the picture below with the rubber cap and hose clamp on it. I believe it previously fed the cold start injector? Anyways, thanks in advance all. Quote Link to comment Share on other sites More sharing options...
theczechone Posted September 21, 2018 Share Posted September 21, 2018 I actually use the stock 280z temp sensor in that location as a plug lol. The threads are bspt or bspp. I think 1/2? Don’t quote me on that Quote Link to comment Share on other sites More sharing options...
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