higher mileage engines with wider clearances like heavier oils on both ends depending on your ambient temps. my aunts leaky but non consuming 99 jeep 4.0 does well on mobil I high mileage that reduced the seepage quite a bit in only the 2nd 6 month change. mostly short trips so changes are 6 months regardless of miles!!! it runs great at only 95 thou!!!
Originally Posted By: PeterPolyol
Originally Posted By: OVERKILL
Originally Posted By: addyguy
That new RP formulation looks really strong - moly, boron AND Titanium; and a 9 TBN.
I don't think it looks any better than Supertech, and has a higher NOACK
Yeah ST beat the Purps on volatility, who would have thought?
Originally Posted By: Marco620
Nissan had awesome cold flow over all by many. Purple and Wally would be a great summer 0w20 but nothing to write home about in the winter.