Originally Posted by aussiem3
I think the manufacturer approval is intentionally left out so that people are forced to buy their oil from the dealer. It would be pointless because everyone will go to the corner auto shop for their oil.
I have given up on buying the retail 10w-60 due to the bearing issue.
Possibly, but getting the approval is extremely expensive. Perhaps they didn't bother with the approvals to target the people who are racing or are out of warranty.