quote:The label "full synthetic" in Europe is no garantuee for group IV or group V basestock.
Originally posted by Losiho: The Castrol rep told me it was PAO. He was being honest, because he also told me the 5W-30 Formula R/TXT Softec is a Group 3 Hydrocrack. The Formula RS 0W-40 is also labelled as a full synthetic in Europe.
quote:Got the link ?
Originally posted by Quattro Pete: I've seen a Fuchs Lubricants UK lab report on a recent Castrol RS product (although it was the 10w-60 grade) stating that there's been a change in formulation compared to Castrol RS of previous years.