Oil Pressure Drops After High RPM

[JamesSam]

I just did a cold check on the 81. Yes, I need to change the oil, and I also see it's a half-quart low. But it covers the entire area, not just a remnant. The photos you posted it looks like remnant of oil. This cold check is popping the hood and checking the oil level without any engine rotations, and not wiping the dipstick, it shows how everything settled in and at what level since I drove it last week.

Without flash...

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Yes the pic I just posted is cold no wipe. So extremely low then? Damn. I guess that is the  real issue.

 

[JamesSam]

Don't excommunicate me guys.

 

[JD Miller]

Dont rule out that maybe the sending unit is bad

 

[WFarm]

Don't excommunicate me guys.

No Soup For You!

 

[DoubleDingo]

Definitely change the oil and filter now and check for shiny bits in the drain pan. I've never cut open a filter, but that may be a good thing to do as well.