J HAVE REPLACED ALL LIFTERS AND 3 ROCKER ARMS. I STILL HAVE PISTON NOISE WHAT IS BEST OIL AND/OR ADDITIVES TO QUIET ENGINE NOISE
Thursday, May 20th, 2010 AT 2:24 PM
1 Reply
YAHOO4
MEMBER
34 POSTS
The recomended oil you should stay with, unfortunatly gm had a problem with piston slap on these engines when cold, should lesson as engine warms, the bullitine states that there is no longevity issues to worry about just an annoyance issue.