Oil pressure question

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Dec 15, 2002 | 04:02 PM

FNC80

Thread Starter

Safety Car

Joined: Jun 2002

Posts: 4,386

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From: SoCal

St. Jude Donor '03-'04-'05

Oil pressure question

What's the normal oil pressure range for WOT (4000 to 6000 RPM)?

Dec 15, 2002 | 08:14 PM

FNC80

Thread Starter

Safety Car

Joined: Jun 2002

Posts: 4,386

Likes: 1

From: SoCal

St. Jude Donor '03-'04-'05

Re: Oil pressure question (FNC80)

^^^

Dec 15, 2002 | 08:20 PM

Gary2KC5

Le Mans Master

Joined: Apr 2001

Posts: 5,331

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Re: Oil pressure question (FNC80)

good question, but I'm usually more concerned with a lot of other stuff when I'm WOT!

Since we've opened up another OP question let me add some more.

When I'm in traffic (cool day and with an oil cooler) my oil temps were @ 200+ and the pressure got really low at idle. Like 9 psi sitting at a stop light.

Is this normal?

Dec 15, 2002 | 08:59 PM

indyblue98

Burning Brakes

Joined: Oct 2000

Posts: 773

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From: wichita ks

Re: Oil pressure question (Gary2KC5)

I have seen 18-20 psi range at oil temps of 210-230 and thought that was low, but others assure me 15+ is ok at idle. <10 :eek:

Dec 16, 2002 | 12:10 AM

Duck916

Team Owner

Joined: Jul 2001

Posts: 21,395

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From: Various places in Southern California.

Re: Oil pressure question (Gary2KC5)

Quote:

When I'm in traffic (cool day and with an oil cooler) my oil temps were @ 200+ and the pressure got really low at idle. Like 9 psi sitting at a stop light.

Is this normal?

According to GM, you can get down to 6 psi at idle and be OK. However, as a reference point, my car generally doesn't get below 27 psi at idle in gear (around 500rpm) with the oil at 212 degrees.

As for the original question on this thread, I think most people are getting around 45-50 psi at higher rpms.