Author Topic: Oil Pressure Questions  (Read 5212 times)

Tom

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Oil Pressure Questions
« on: April 07, 2003, 20:48:22 »

All of the talk about catastrophic oil pressure failures prompted me to figure out how to rig a warning buzzer.

I was able to connect an electronic oil pressure gauge with an alarm while preserving the original pressure gauge.

I am now trying to calibrate the new oil pressure gauge.  Can anyone give me the statistics (in bars and PSI) on the correct factory spec oil pressure for the 71 model?

Thanks in advance,

Tom
1971 280sl Tunis Beige Metallic

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Re: Oil Pressure Questions
« Reply #1 on: April 20, 2003, 17:23:03 »
Tom:

My Tabellenbuch says at operating temperature the oil pressure should not drop below 0.5 kp/cm2 (appx 7.5 lb/sq innch) at idle and should immediatly increase when you press the accelerator.

Using Mobile 0W-30 I have about 1.0 kp/cm2 at idle that goes up to max at about 3000 rpm.

Regards, NRK