Originally Posted by Mad_Hatter
Probably not without some reformulaing, even then I'm not sure a 10w30 could meet D1G2 fuel economy/fuel economy retention requirements even though it may be API RC.
Fuel economy specs and retention for 10w-30 are 1.5% and 0/5w-30 are 2/2.5% per reference oil.
Probably not without some reformulaing, even then I'm not sure a 10w30 could meet D1G2 fuel economy/fuel economy retention requirements even though it may be API RC.
Fuel economy specs and retention for 10w-30 are 1.5% and 0/5w-30 are 2/2.5% per reference oil.