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  1. L

    Help/opinions on tuners! 2006 LBZ

    I can definitely tell a difference in the tunes. I ran it in "heavy tow" +60 RWHP on my ride home yesterday and was getting around 17.5 at 70 mph so it did improve. I know this truck should be getting better than that though. I'm going to run it on "light tow" tomorrow on my 3 hour drive and see...
  2. L

    Help/opinions on tuners! 2006 LBZ

    The Neens - I've heard that before thats why I'm curious...I ran the VIN to find out whether or not it actually was an LBZ or not
  3. L

    Help/opinions on tuners! 2006 LBZ

    I haven't had it long enough to really play with all the tunes. I have a 3 hour drive home tomorrow so we'll see what she gets. When I drove over to Louisiana she was get about 15.5 mpg when I was running around 70 on the sport/econo tune. I will play with the tunes friday and see what I can get...
  4. L

    Help/opinions on tuners! 2006 LBZ

    Lower Alabama! :thumb: and Thank ya
  5. L

    Help/opinions on tuners! 2006 LBZ

    I'm new to the Duramax world, been looking for a LBZ for two years now and finally bought one. 2006 LBZ 3500 4WD DRW. Truck has 69k miles on it, S&B air intake, straight piped 4" exhaust, and a Duramaxtuner DSP5. With everything done to it, I'm getting roughly 15-16 mpg and honestly I'm not...
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