Originally Posted By: Garak
HPS doesn't really have any API rating. The old API line was SL, but they jumped to SN, and the HPS has no API markings. It looks from VOAs and UOAs that it might be a little more stout in AW compounds than the older API SL line.
Garak, do you see any issue with running this oil in An SM application that does not use much oil? According to RP it is cat safe in mechanically sound vehicles. would you agree?