Green97SL Posted May 9, 2003 Report Posted May 9, 2003 i was able to test out the oil pressure gauge i bought today. i tried using the oem sensor, and got a reading of about 12 psi, at normal operating temp and about a 750 idle. is this right, or do i need to use the sender that came with my gauge. the other odd thing i noticed is that in order for the gauge to work with the oem sensor, i had to reverse the polarity on the back of the gauge, or it would want to bury the needle below 0 psi (i could here it hit the stop). '97 supreme, 3100 Quote
Redfox340 Posted May 9, 2003 Report Posted May 9, 2003 I believe that's about right. How did you tap into the wiring? - RedFox340 Quote
Robby1870 Posted May 9, 2003 Report Posted May 9, 2003 GM says that 15psi at 1100rpms is acceptable. ( Im pretty sure on that) Robby Quote
Green97SL Posted May 9, 2003 Author Report Posted May 9, 2003 I believe that's about right. How did you tap into the wiring? - RedFox340 i just used a wire tap on the existing sensor wire. Quote
JS91Z34 Posted May 10, 2003 Report Posted May 10, 2003 GM says that 15psi at 1100rpms is acceptable. ( Im pretty sure on that) Robby 10 psi for every 1000 rpm's is nominal. Quote
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