Quote:
Originally Posted by twenty-two
I have a 6.7 with 8000 miles and run the edge on it with afe air filter and can't make better than 14 mpg. good luck
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what gears are you running, and what speed are you travelling at?
My 5.9 with the Airaid intake and no other engine mods gets me 18.8mpg at 70mph (2000 rpm)(373 gears).
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'07 2500HD Megacab SLT 4x4, 5.9HO, AMSOIL throughout, VES, sunroof, CompuStarPro 2 way alarm/starter, ArmorThane , AIRAID, Reese 18K Signature Series W/Slider, Tekonsha P3, PIIA Sport horns 115 Db. Stainless Grille Guard, KC Long Range driving lights, EDGE Mileage Max.