Quote:
Originally Posted by WhiteMale
It's like you own and sell Amsoil.
|
AMSOil did put out a release that both their 0W-40 and 5W-50 already meet the specifications and requirements of the Dexos R. They don't pay GM for the ofifcial certification, but they have had their oil tested to the standard and they meet or exceed it already.
https://blog.amsoil.com/gm-dexos-r-r...mance-engines/