quote:I stand corrected. I know the gas shows high Manganese and I thought it was high sulphur content also. I didn't realize it was a common oil additive. I learned something. Can't sulphur degrade some composites used in engines?? I though high sulphur content gasolines were a bad thing?
Originally posted by sbc350gearhead: I think that sulfur is used as an EP/AW agent. I don't think that canadian gasoline has much to do with it. Patman's RP 5w30 UOA, and my RP 5w30 UOA, both showed over 10000ppm of sulfur.