View Single Post
#9: 05-21-2011, 02:03 PM
thefultonhow's Avatar
Title: Flying W00t Monkey
Rank: Donating Member
Location: Baltimore, MD
Car: 15 RLG WRX 6MT - SOLD: 05 LGT, 07 Spec.B
Posts: 6,530
iTrader: (14)
Send a private message to thefultonhow Find all posts by thefultonhow Reply With Quote
Originally Posted by broknindarkagain View Post
I've heard (don't have proof though) that a lot of the "synthetic" oils on the market are just conventional oil with additives in them. Wouldn't surprise me if this is the case.
Most of them are synthesized from a combination of Group III and Group IV base stocks, like PP is. As a thread I read on Bob Is the Oil Guy said, though, the base stock matters less than the UOAs. If an oil gets good UOAs, who cares what the base stock is?