Shell removed the NOACK information from their GTL-based PurePlus oils shortly after they published their PDS's. I've found this info on some blog and I'm posting them for reference purposes here:
PP: Old Pennzoil Platinum
PUP: Old Penzoil Ultra
PPPP: New Penzpoil Platinum with PurePlus
PUPPP: New Pennzoil Ultra Platinum with PurePlus
All are API SN (not SN Plus).
NOACK values (%)
PP 0W-20: 14.0%
PP 5W-20: 13.2%
PP 5W-30: 12.5%
PP 10W-30: 9.7%
PUP 5W-30: 6.6%
PUP 10W-30: 4.8%
PPPP 0W-20: 10.8%
PPPP 5W-20: 8.6%
PPPP 5W-30: 10.1%
PPPP 10W-30: 4.7%
PUPPP 5W-20: 10+%
PUPPP 5W-30: 11.5%
PUPPP 10W-30: 5.7%
SVT Performance blog
Additions and corrections are welcome.
PP: Old Pennzoil Platinum
PUP: Old Penzoil Ultra
PPPP: New Penzpoil Platinum with PurePlus
PUPPP: New Pennzoil Ultra Platinum with PurePlus
All are API SN (not SN Plus).
NOACK values (%)
PP 0W-20: 14.0%
PP 5W-20: 13.2%
PP 5W-30: 12.5%
PP 10W-30: 9.7%
PUP 5W-30: 6.6%
PUP 10W-30: 4.8%
PPPP 0W-20: 10.8%
PPPP 5W-20: 8.6%
PPPP 5W-30: 10.1%
PPPP 10W-30: 4.7%
PUPPP 5W-20: 10+%
PUPPP 5W-30: 11.5%
PUPPP 10W-30: 5.7%
SVT Performance blog
Additions and corrections are welcome.