73Ed Posted January 30 Share Posted January 30 (edited) I have a 73 240z with an RB26, ECUMaster Black ECU and SpeedHut Guages for Oil Pressure, Oil temperature. The ECU needs oil pressure and temperature as well, so I have 2 of each sensors. I am running the mishimimoto thermostatic oil sandwich plate/cooler which only has 1 1/8"NPT port. How or where can I install all these sensors? Does anyone know what this port is for, between cylinder 4 and 5 on the intake side of the 50U block? Edited January 30 by 73Ed picture format Quote Link to comment Share on other sites More sharing options...
flatout Posted January 31 Share Posted January 31 I don't know the RB that well but it looks like a coolant block drain fitting. its possible it oil but id guess coolant drain. Quote Link to comment Share on other sites More sharing options...
240Z Turbo Posted January 31 Share Posted January 31 I have an RB26 260z running EMU Black and PMU-16. You can find my thread here... https://www.gtrlife.com/threads/my-new-toy-1974-rb26-powered-260z.324573/page-12?post_id=4210907#post-4210907 That spot looks correct for the oil reference per the attached pic of my setup. Quote Link to comment Share on other sites More sharing options...
73Ed Posted February 1 Author Share Posted February 1 Awesome! This validates what I was thinking, and also what ChatGPT said (lol) Thank you soo much.. I'm going through your thread as we speak.. Have a great day, Thank you. Quote Link to comment Share on other sites More sharing options...
240Z Turbo Posted February 9 Share Posted February 9 On 2/1/2026 at 11:56 AM, 73Ed said: Awesome! This validates what I was thinking, and also what ChatGPT said (lol) Thank you soo much.. I'm going through your thread as we speak.. Have a great day, Thank you. glad to help, contact me anytime...turbo240z@yahoo.com Quote Link to comment Share on other sites More sharing options...
ZT-R Posted April 29 Share Posted April 29 i run my remote oil pressure gauge off that port, that's directly what the oil galley is seeing. Quote Link to comment Share on other sites More sharing options...
73Ed Posted April 29 Author Share Posted April 29 1 hour ago, ZT-R said: i run my remote oil pressure gauge off that port, that's directly what the oil galley is seeing. Man, I was literally on this thread right now. So if that is where you get the oil pressure for the gauge, where do you get the oil pressure for the ECU? Where do you get the Oil Temperature for ECU and for gauge? I have 2 temp sensors and 2 Pressure sensors for ECU, and Gauges. Quote Link to comment Share on other sites More sharing options...
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