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  1. H

    2010 duramax

    sorry never even put two and two together ha, yea i dont believe im ready to go that for with the truck,, thanks for the imput tho,
  2. H

    2010 duramax

    cng? sorry never herd if it.
  3. H

    2010 duramax

    sorry guys been a while! i was in ames iowa last weekend visiting the finance, and coming back home (390ish miles) an i was getting 22.9mpg, again hand calculated, and yes it is completely stock and now has 5407 miles on it as of tonight, i wasnt sure if anyone out there did anything to the 10's...
  4. H

    2010 duramax

    thanks^ i have been impressed with the truck so far, i deal w/ alot of test weights (i am part owner of a scale company) and we've had 5G in the back and it wasn't even to the OL stops, i still got 16mpg with it loaded with that kind of weight in it, (tad bouncy) i guess another question is for...
  5. H

    2010 duramax

    hello, i am new to the forum, i just purchased a 2010 duramax, im looking to get some better MPG, i am currently getting anywhere from 21-24 on highway(hand calculated) any idea on this guys? also what will and will not void my warranty, i have had the truck 3 weeks and have 3800 miles on it...