Originally Posted By: Quattro Pete
They have a TDS for Shell Helix Ultra 0w-20, alas, there is no telling if Pennzoil Ultra 0w-20 would be the same, if they ever decided to offer it...
Low temperature Pour Point in PU's Ultra line-up is at -51* while the PP Platinum is at -42*.
This tells me that PU likely uses more pure PAO or Group IV / V basestocks in their oil than PP (which MIGHT be saving money with Group III that doesn't flow as well).
Originally Posted By: 147_Grain
Low temperature Pour Point in PU's Ultra line-up is at -51* while the PP Platinum is at -42*.
This tells me that PU likely uses more pure PAO or Group IV / V basestocks in their oil than PP (which MIGHT be saving money with Group III that doesn't flow as well).
or pour point depressants... or GTL group III+
not quite that cut and dry.
also pour point doesnt mean much.
15w40 can have a PP of -36c... wouldnt use it anywhere near that.