I have checked oil psi it has 60 psi cold at idle. When warms up it drops to 8psi and has a knock noise from bottom of pan. It will go up to 55 but still seems to knock. GM says 56psi at 3000 rpm. I just curious to other peoples findings on this motor. I am pr...

Summary posted 1/25/2005

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle