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Tuning chip for a 2013 5.3 V8

Discussion in 'Chevy Trucks' started by Deershack, Sep 4, 2014.

  1. Deershack

    Deershack Senior Member
    Messages: 807

    Looking for something to improve my MPG when towing my 28' trailer.
  2. Stik208

    Stik208 PlowSite.com Addict
    Messages: 1,319

  3. JAJA

    JAJA Member
    Messages: 73

    Custom tune....what gas Milage do u get now? what's in the rear
  4. JustJeff

    JustJeff 2000 Club Member
    Messages: 2,480

    One of these should work.

    20130713_172346 (2).jpg
  5. willie07

    willie07 Junior Member
    Messages: 11

    Take a look at black bear performance. I had him tune my truck with the autocal. It is a custom tune.
  6. Deershack

    Deershack Senior Member
    Messages: 807

    Not sure what I have for a rear end ratio. I get 18-20 MPG w/o the trailer and 9-10 with it on. Truck is a 2013 GMC Savana with the 5.3.