Update after today, did the new valley pan gasket and I am afraid I might have to try the downhill test. I am curious what kind of EOP relocation kit your mentioning though! I did find a crushed O ring or 2 on the valley pan but when up to idling rpm I'm sitting with 18 19 now verified by the...
2007 gmc yukon denali xl, cold oil pressure is up to 50psi when starting, slowly declines until once engine is up to operating temperature, it's just above the red hash mark or a small gap above it. Just did a oil change, and I drive this thing 150 miles a day so I can't afford to have it go...
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