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:
Pennzoil Platinum: Old Pennzoil Platinum
PUP: Old Pennzoil Ultra
Pennzoil Platinum PurePlus: New Penzpoil Platinum with PurePlus
Pennzoil Ultra Platinum PurePlus: New Pennzoil Ultra Platinum with PurePlus
All are API SN (not SN Plus).
NOACK values (%)
Pennzoil Platinum 0W-20: 14.0%
Pennzoil Platinum 5W-20: 13.2%
Pennzoil Platinum 5w30: 12.5%
Pennzoil Platinum 10w30: 9.7%
Pennzoil Ultra Platium 5w30: 6.6%
Pennzoil Ultra Platium 10w30: 4.8%
Pennzoil Platinum PurePlus 0W-20: 10.8%
Pennzoil Platinum PurePlus 5W-20: 8.6%
Pennzoil Platinum PurePlus 5w30: 10.1%
Pennzoil Platinum PurePlus 10w30: 4.7%
Pennzoil Ultra Platinum PurePlus 5W-20: 10+%
Pennzoil Ultra Platinum PurePlus 5w30: 11.5%
Pennzoil Ultra Platinum PurePlus 10w30: 5.7%
SVT Performance blog
Additions and corrections are welcome.
Pennzoil Platinum: Old Pennzoil Platinum
PUP: Old Pennzoil Ultra
Pennzoil Platinum PurePlus: New Penzpoil Platinum with PurePlus
Pennzoil Ultra Platinum PurePlus: New Pennzoil Ultra Platinum with PurePlus
All are API SN (not SN Plus).
NOACK values (%)
Pennzoil Platinum 0W-20: 14.0%
Pennzoil Platinum 5W-20: 13.2%
Pennzoil Platinum 5w30: 12.5%
Pennzoil Platinum 10w30: 9.7%
Pennzoil Ultra Platium 5w30: 6.6%
Pennzoil Ultra Platium 10w30: 4.8%
Pennzoil Platinum PurePlus 0W-20: 10.8%
Pennzoil Platinum PurePlus 5W-20: 8.6%
Pennzoil Platinum PurePlus 5w30: 10.1%
Pennzoil Platinum PurePlus 10w30: 4.7%
Pennzoil Ultra Platinum PurePlus 5W-20: 10+%
Pennzoil Ultra Platinum PurePlus 5w30: 11.5%
Pennzoil Ultra Platinum PurePlus 10w30: 5.7%
SVT Performance blog
Additions and corrections are welcome.