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Old 05-27-2012, 03:56 PM   #1
84_chevy
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Oil Presure

Just got my oil presure Gage working again, for some reason the blue wire to the sender unit was not connected. By luck I found a tan wire coming out of the firewall block that controlled the dash Gage. There must be a mix up in the wiring under the dash somewhere that I have yet to hunt down. My question now is what should be the operating Presure for the oil, mine is just over 400Kpa, normal?
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Old 05-27-2012, 05:05 PM   #2
bilfman
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Re: Oil Presure

That is about 60 pounds of pressure and is good side of normal.
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Old 05-27-2012, 05:21 PM   #3
frog210
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Re: Oil Presure

not high jacking but,
my oil pressure is around 30 when idling but goes upto 60 when given gas
is that normal
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Old 05-27-2012, 09:06 PM   #4
84_chevy
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Re: Oil Presure

Mine goes straight to 400 at idiling, then up to 410 or so Kpa, sorry for the metric but it's a Canadian car and that's all I have to go by. Not sure how to convert Kpa to psi.
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Old 05-27-2012, 09:32 PM   #5
tucsonjwt
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Re: Oil Presure

My 73 and 83 454 C20s both had 45# at idle, very slight creep up toward 50#-60# under load. As a mechanic once told me "Don't worry about the high pressure, worry about the low pressure." If your engine is running well, then I would just look for a change in pressure (pressure drops.)
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