Originally Posted By: Doc Holiday
It must be a little different than the old QSHM. I was looking at both today as Walley World has the new Defy in gallons but still had the old HM in the quarts. The old HM says SM yet the new Defy says SL......Does that mean it's not as good as the old?
No, the new Defy has boosted ZDDP levels, higher than SM/SN will allow, so it's rated SL, but I would not construe that to think it is inferior. It's a brand new offering, and the boosted ZDDP is a big part of the appeal of this new oil.
It must be a little different than the old QSHM. I was looking at both today as Walley World has the new Defy in gallons but still had the old HM in the quarts. The old HM says SM yet the new Defy says SL......Does that mean it's not as good as the old?
No, the new Defy has boosted ZDDP levels, higher than SM/SN will allow, so it's rated SL, but I would not construe that to think it is inferior. It's a brand new offering, and the boosted ZDDP is a big part of the appeal of this new oil.