If amsoil,red line, and shaffers are so much better than mobil 1 how come not one high end super car is using it as a factory fill? ![[Confused]](images/icons/confused.gif)
![[Confused]](images/icons/confused.gif)
quote:Just like Castrol is the factory fill for VWs. Based on info from TDIClub.com, VW TDIs are suppose to run with Synthetic oil (in this case, VW recommends Castrol Syntec 5W40). And we all know about Syntec
Just because an oil is factory fill, doesn't make it the best.
quote:Johnny, Can you tell us why M1 is better than Texaco Synthetic?
Originally posted by Johnny: Although I believe the Mobil 1 is a lot better product that the Texaco synthetic.
quote:The VW factory fill is European Castrol SLX which *is* a Type IV synthetic. It's not available here. Troy
Originally posted by The_Oz: Just like Castrol is the factory fill for VWs. Based on info from TDIClub.com, VW TDIs are suppose to run with Synthetic oil (in this case, VW recommends Castrol Syntec 5W40). And we all know about Syntec