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  1. #1

    Default 6.0 L Fuel Economy

    So I just bought a Hypertech Max energy for my 2010 5.3L and had good improvments in fuel economy (2-3 mpg highway) and HP. My dad just bought a 2011 2500HD with the 6.0L and is wondering if he will see the same level of fuel economy improvement. Anyone out there have any experience with programmers and the 6.0L?

  2. #2
    Sr. Mechanic ChevyHD's Avatar
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    Jan 2011
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    Elberon, Iowa, United States
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    Default

    I put a DiabloSport tuner and I got 1-2 mpg increases. It helped out a lot more with the towing aspect by shifting points.
    Adam
    2004.5 CCSB Duramax
    Max Effort Tuning by Idaho Rob - Goerend Transmission - PCV ReRoute - EGR Blocked - Plugged Resonator - 5" Diamond Eye Turbo Back - Tie Rod Sleeves - All On Mod - Edge Insight CTS - Recon Taillights, Cab Lights, & 3rd Brake Light

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