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  1. #1

    Default Flashpaq programmer????

    First off this is my first post, but I want to thank everyone for the great info I've already gotten from here.
    I have a 2007 Silverado 4x4 new body style crew cab with 5.3 engine and auto tranny. I ordered the Superchips Flashpaq and it should be here early next week. I've put a leveling kit on and am running 285/70R17 tires. I'm wanting to gain some mileage back. It dropped from right at 14mpg to 12mpg after changing tires. My question is, what program should I run? Should I run the economy program, and will there be any performance gains with this setting? Or should I run the performance setting, and will this help my MPG at all. I will probably add a Volant CAI next, but not for a few months.
    Last edited by jumpalot; 04-19-2008 at 08:41 AM.

  2. #2
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    finalday7's Avatar
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    Default

    If your looking to at getting better mpg then run the economy program. I've got the Hypertech Max Energy on my 07 and noticed great gains using the economy setting. After my new wheels and tires I was getting 11.8 city mpg. After tuning I was at a solid 14-14.8 mpg. Also I noticed a huge increase in performance just running 87 octane.

    KRIS
    2007 GMC Sierra CrewCab 4.8L
    Tinted Windows, 20" Chrome MB Predators on 275/55/20 Copper AT's, GM Bed Rug, Speed Scene Chrome Grille, Putco Chrome Handles, Hypertech Max Energy Programmer, Magnaflow Muffler and many more mods to come.
    Former GM Vehicles:
    96 Chevy Camaro. My first car modded for a High School kid.

  3. #3

    Default

    Well I got the programmer installed. I put in the 87 octane program and calibrated for the larger tires. I've noticed quite a bit more power. I'm showing right at 15.9 mpg avg. on the DIC. Won't pass too much judgement until I've run a few tanks through. But right now I'm extremely happy.
    Last edited by jumpalot; 04-27-2008 at 07:51 PM.

  4. #4
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    finalday7's Avatar
    Join Date
    Oct 2007
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    Sayward, B.C Canada
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    Glad to hear it.

    KRIS
    2007 GMC Sierra CrewCab 4.8L
    Tinted Windows, 20" Chrome MB Predators on 275/55/20 Copper AT's, GM Bed Rug, Speed Scene Chrome Grille, Putco Chrome Handles, Hypertech Max Energy Programmer, Magnaflow Muffler and many more mods to come.
    Former GM Vehicles:
    96 Chevy Camaro. My first car modded for a High School kid.

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