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Shake & Bake · 03-29-2010, 05:44 PM

Go with the duramax in an 06' or newer GMC or Chevy with the 6-speed allison transmission and you'll get more power plus better mileage.

03-29-2010, 05:44 PM	#5
Shake & Bake Member Join Date: Mar 2010 Posts: 312 Likes: 40 Liked 37 Times in 33 Posts	Re: Question for Chevy dually guys. Go with the duramax in an 06' or newer GMC or Chevy with the 6-speed allison transmission and you'll get more power plus better mileage. Last edited by Shake & Bake; 03-29-2010 at 05:54 PM.