Originally Posted By: beadvised
Thanks fellas Im going from PP to either MS5K or PYB.
If you've been doing fine with the PP additive package, why shift to MS5K which is quite different?
PYB, like PP, is still a high Ca oil with plenty of Boron and Moly. MS5K is a weaker Ca, high sodium oil with no moly, no boron. MS5K is more like the VWB and NAPA oils.