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Oil Pressure 90+ PSI when cold?
When the engine is cold it will make about 90 PSI of Oil Pressure at 2,000 to 2,500 RPM's when cold. This seems high to me!
The relief valve at the Low Pressure Oil Pump is supposted to be set for 75 PSI I thought.
The pressure reading is taken off the Oil Filter Cap at the top. I bought an aftermarket billet cap tapped at the top. I have a Autometer Electric Oil Pressure gauge. It does make oil pressure almost immediately after a cold start, which is about 60 PSI at a cold idle.
After the motor warms up a bit to about 100* or so, the oil pressure is more normal to me. It runs about 75PSI (at 2,000 RPM'S)then.
When hot it runs 50 PSI above 1,500 RPM's and about 20 PSI at hot idle.
I run 5W-40 Oil, and have observed the same readings with Delo 15W-40.
Is the cold reading too high?
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2006 F-250 Lariat 6.0L PSD,CC,SB,FX4, Black with the Chrome Package with Chrome Door Pulls. Smoked windows, Rhinolined, 4" Stainless Turbo-back Magnaflow exhaust, Zoodad mod., DEE ZEE mud flaps, CCV rerouted, High Idle mod., High beams w/Fog Lights mod, Sylvania Silverstars in Headlamps and Fog Lamps, Intake Elbow from intakeelbows.com, SCT X Cal2 programmed by Eric from Innovative Diesel, Dieselsite Coolant filter, Quadzilla Commander Monitor with Fuel Pressure Kit, Autometer Oil Pressure gauge.
2008 Ford Edge Limited. AWD, Vista Roof aka Big Ass Moonroof, Navigation System. Black with Chrome 20" wheels. It has ALL the Options for an Edge.
My other toys:
2006 Rinker 232 Captiva Liberty Edition Bowrider. White gelcoat with Red band in the middle. Fuel Injected 320 HP Volvo Penta 350 with duoprops and captians call exhaust.
2004 Jayco 27BH travel trailer.
2005 John Deere 5303 64HP 3cyl. Turbo Diesel Utility Tractor with 512 Loader/Bale Spike. Too many implements to list.
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