dino oil vs synthetic mpg
has any one when from dino oil to full synthetic oil & had better m p g & what oil & how much better m p g did you get ? i have 2011 chevy 2500 Duramax pulling 35 ft 5th wheel..
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our 05 chev had 112020 miles on the Rotella synthetic and tested using blackstone. Result was go 2K more miles. Not going to happen as I had wife health issues and let the duramax go for that many miles to happen. Same report as Cummins shows. 97K miles now.
chevman
chevman
