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Old February 12th, 2008, 12:17 PM   #43
Blowd up
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Originally Posted by brimy311 View Post
DRM did this on POR with his 12v Cummins. He was always around 15-16mpg, he did not get 20mpg. You will got get 20mpg unless you drive on the highway at like 50mph continuously.
Mine does. It doesn't often on winter fuel, but each fill up on both of my holiday trips were at 19. That was with the GPS for miles.
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