zukimaster
Hold my beer and watch this!
I bought a 02 Duramax a few months ago, has EFI live, 4" exhaust, cold air intake. I have never driven it more than 50 or 60 miles at a time without hauling something, but could tell it's getting good mileage, but never checked it, I had to go to Bessemer this morning, I topped it off, got on interstate, set cruise on 75, got off the exit and topped it back off, it stopped at 10.13, I squeezed 11.00 in it, that's 3.66 gallons! I put 112.1 miles on 3.66 gallons of fuel, that's 30.6 MPG! How? Am i retarded and figured it wrong?
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