Quote:
Originally Posted by Scottyz
Ok so first off please don’t think I’m trying to argue or make excuses for GM because I’m not. I hope you don’t have an issue with your pump that’s for sure.
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Understandable, but a car doesnt lose
30% of its hot idle oil pressure in 200 miles if nothing is wrong.
I changed the oiil to 15w50, did a HPDE and the idle pressure went down. I changed the oil back to 5w-30, and the pressure did not come back.
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"The salesman actually told me to stop getting it sideways during the test drive"
2018 MBM ZL1 1LE - 652 rwhp, 588 rwtq SAE
2014 CRT ZL1 574 rwhp, 537 rwtq - SOLD
2010 IBM SS Camaro VVT L99 w/ TR6060 swap, 489 rwhp, 444 rwtq - SOLD