Is there any particular weight oil that helps quiet down the piston slap. My car has had it for 60000 miles and it never botherd me but tomorow im going to trade it in a new truck and would like to quiet it down if at all posible.Thanks for your help.

John

 

Anybody.

 

???????????

 

Try using Lucas Oil stabalizer this helped my older car that had 120k on it to stop making noise.

 

Keep the car and join the class action litigation against the General.

You will probably get a discount coupon for your next purchase of a new GM rolling pile of iron.