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would like to know more on the gauge @baggerman where would i hook up? Have you done this? what is good pressure reading?
V4 owners - 15w50 oil reports with testing - Motul 300v / Redline Power Sports / Motul 7100 - Part 1
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I don't think it's necessary to hook up a gauge if one wanted to monitor oil pressure. There's already a oil pressure sending unit that provides oil pressure in real time. You can read it with the dealer tool / OBDStar.
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thanks, i assumed the stock unit was just a pass/fail kinda limit switch...not something with readout...ill do some more digging
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My OBDstar for my V4SF euro 4 does not seem to have this ability. I too thought that it was a dummy switch. The problem with the regular automotive gauges is the cheap ones only go to 60 lbs. Gauge and lines probably less than $50 from summit. You'd need to measure the threads on the current sender (probably 1/8 pipe) and buy the appropriate fitting to go to 1/8 tube. The clowncar has about 40 psi at idle. I have no idea if this is good or bad (hasn't grenaded yet). This does give me a reference for the next time I check. These motors run high oil pressures, when building V-8's the rule of thumb was 10 PSI per 1000 rpm. You can't really measure high rpm oil pressure anyway unless the motor is under load like you're lying on the tank WFO in 5th at 15,000. Not the best time to be looking at oil pressure.
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When I get home I'll check again but I'm pretty certain it gives a readout. I don't think it was in PSI.
Further, with the OBDStar, you can record any sensor value so you wouldn't have to look at it. You could log RPM and oil pressure, etc.
ETA: it may be a switch. I found the p/n and a spec which is 0.15-0.4 BAR. Being that low, 2-6 PSI I think it’s tripping when the system is pressurized.
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thats what i was afraid of...swtich on/off
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