Quote:
Originally Posted by patrickt
I think all of the oils of the Brad Penn/Joe Gibbs type caliber are now touted as being "partially synthetic." I know that's true of Brad Penn, but I don't really know what it means. It's kind of like being "partially pregnant."  |
what i was told by the refinery, the "partial
synthetic" is because of the proprietary additives that are put into the blend. they are bound to state it is partially
synthetic.