Tonight I found some Chevron Supreme SM next to the SL in both 5w-30 and 10w-30. 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