LT1 Normal Oil Pressure Range
I'm probably being incredibly paranoid about the pick up tube recall but I feel like the idle oil PSI has dropped since when I first got the car. While idling on a warm engine it's sitting around 28-29 PSI. Is this around what everyone else is at?
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I've noticed my oil press. has also always been much lower than my LLT V6.
Never greater than 40 even at start-up (hot weather since I got the car). I'm sure it's dropping down in the 28-30 range when warmed up and at idle. :thumb: |
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I'm in my ss now at warm idle and just a hair under the 30 mark. So the same as your ss.
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Here's the thread I was looking for. Just watched mine for the first time SS, 28-29 fully warmed up at idle and lower rpms. Gets up to a little under 40 under rpms. Was wondering if this was normal myself. Seems like it is.
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Mine sits about 30 maybe lil less when hot idling and 35 cruising. Rarely goes upto or over 40 unless I go WOT at which point only at very high rpm does it hit 50 or so. Is that normal? This is my second 2016 and I could have swore my first one had a little higher pressure then this.
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The relief valve (should) stop oil pressure from exceeding between 55 and 75 psi. |
As long as oil pressure increases with rpm then it's fine. Idle pressure does not need to be very high.
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Not like old cars....OP now fluctuates depending on the engines requirements. No longer just what the pump pumps out. All controlled by sensors now.
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Should I expect a difference in pressure when I run 5-40 oil per the track-prep guide for track days? When I run the standard 5-30 I run slightly below 40 PSI. When I run the 5-40 I am closer to 45. Both these PSI readings are "most of the time" readings, meaning when I look, that's where they are.
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Yes thicker oil will increase pressure.
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at operating temp mine shows 30 psi idling, and it gradually increases to around 55 psi with rpm up to 6100 or so. at 6100 it jumps to 70+ psi. oil weight doesn't seem to make a difference. i've had 5-30, 0-40 & 5-40 in it. all the same except the heavier oils make a little more pressure when cold below 5k rpm.
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