Most younger people know very little about DD two stroke engines and the old GM manual trans.
Hatt:I don't think ABC will refund your money on used oil, even though they said it is the right oil. Be glad you found this board and all the knowledge that is here. For what this board has saved you the money you lost on the wrong oil is cheap. I also found out about the correct oil to use in my 8V92 MCI 7 from this board.EDMCI 7