Thread: What is your oil pressure at IDLE?
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Old 03-28-2005, 09:21 PM
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Secret Squirrel Secret Squirrel is offline
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Join Date: Mar 2005
Location: Commerce City, CO
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In one 300 SEL I am running 15W-40 Delvac 1300 and it sits around 1.5 bars, hot idle in drive.

The other one has 5W-40 M1 Truck & SUV and it idles around 1 bar in drive.

IIRC, the synthetics always idle lower pressure than the dino oils for some reason.

The one running the Delvac 1300 also has a Wix filter on it with the newer silicon anti-drainback valve. The thing pressurizes immediately on startup and pegs a high 3 while driving.

Rahulio I would go with the Delvac 1300... $6.32/gallon at wallyworld is hard to beat.
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(2) 1988 300 SEL W126
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