For a friend, did a search and couldn't find the answer...
2013 Dodge Ram Dually with the 6.7L cummins, he pulls a 40ft fifth wheel a lot!
What weight, type and oci would you guys recommend? Amsoil says a 5w-40. Oh, and he lives in New Jersey, but pulls all over the country...
2013 Dodge Ram Dually with the 6.7L cummins, he pulls a 40ft fifth wheel a lot!
What weight, type and oci would you guys recommend? Amsoil says a 5w-40. Oh, and he lives in New Jersey, but pulls all over the country...