The answer to all of your questions... it's cheaper. Also, about the only thing it has in common with PAO is low solvency. Otherwise, it's much more like a group III.
Originally Posted by Direct_Rejection
What is up with the comments bagging on Pennzoil ? It is common knowledge that GTL offers near PAO performance, other than when starting in very lpw temperatures. So, Ferrari has got it all wrong ? And why is it XOM uses GTL in some of their formulations ? Check out some UOAs with Pennzoil Gold, using partial GTL basestocks. You may come off your Magnatec roost.