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Discussion Starter · #1 ·
Just got 2010 Chevy 3500 HD Dually LMM. All Stock right now, i only getting 9 mpg,,, hauling gooseneck,,, got plenty of power, and am mainly after more MPG's.Wondering What Brands, or Packages are good for the new motors,,,, I dont have to worry about inspections or emmissions,, truck is reggestered in Oklahoma..
 

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Contact IdahoRob.

I get 21 highway & 16 city with his 425hp/770tq EFILive tow tune that I dyno'd in Nov. 2008.
 

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Oh...... Squirrel!
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Discussion Starter · #5 ·
yeah i want to keep warranty for now truck only has couple hundred miles on it,, i am gunna switch in take,,, for now
 
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