Posted by Chewie [162.158.75.115] on Thursday, December 27, 2018 at 23:20:52 :
In Reply to: Re: New truck oil Amsoil posted by Perry [162.158.63.229] on Thursday, December 27, 2018 at 19:23:02 :
Synthetic?
Change the oil four times a year. Change the filter a lot more often than that.
I did that when I was driving 1000 miles (more with OT) a week for work.