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Thread: 2006 LBZ fuel economy

  1. #1

    Default 2006 LBZ fuel economy

    I am new at this and this website, I have 2006 Duramax it gets good economy when not towing but put a load behind it and it goes to about 12 or less. I am looking at chips to put in but all I can find about them sounds like the advertisement not a comparsion. can someone help me ? or point me in the right direction........

  2. #2

    Default

    My 2006 K3500 is the exact opposite. Empty never sees over 16, but does 11 average towing 25' gooseneck and hauling loads which I consider acceptable.

    I am upgrading to Kennedy Diesel's tow/economy tune and plan to put it to the test hauling boats cross country. We'll see how the averages are, between a stock 7000 mile thrash, followed by the same 7,000 with the same boat/trailer combination.

    More soon...
    2011 Chevrolet Tahoe 5.3L daily driver
    • Previous owner of two 1994 6.5L K3500s, '01, '02, and '05 6.6L K2500s, '04 C4500, '06 K3500 dually, '06 K3500 SRW, '09 K3500HD SRW, '05 Denali
    • Total GM diesel miles to date : ~950K

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