Tonight I found some Chevron Supreme SM next to the SL in both 5w30 and 10w30. The bottles looked the same except that the SM did say ISOSYN anywhere on the bottle, front or back?
I don't know if this means anything, I always look at oil when my wife drags me to the store
Brian
I don't know if this means anything, I always look at oil when my wife drags me to the store
Brian