Posted 2/28/2008 16:39 (#321852 - in reply to #321840) Subject: Re: synthetic oils
Hagen Brothers farms,Goodrich ND
On a car that normally runs 20 + mpg, a change from 5W-30 mineral oil, to 0W-30 Mobil 1 synthetic showed about a 1-2 mpg gain on average. I suppose in part because 0W-30 synthetic pumps so easy and less friction .
synthetic oils
