To be honest with you i could have been wrong with the 1qt thing. I did add 1 qt but that was because of the "Low Oil" light came on. So i thought it meant that my oil was low. It appeared to be low when i checked it. I found out later that if you go pass 3000 miles on an oil it will make the...
I half arsed read the GM knock thread but when i have more time later on i will read through it completely.
Patman on another board suggested that i give Amsoil 5w/30, Redline 5w/30, or German made Castrol Syntec 0w/30 a try next oil change.
Think i'm gonna go with either Amsoil or Redline...