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Thread: fuel mileage

  1. #1
    Junior Member
    Join Date
    Jan 2014
    Posts
    14

    Default fuel mileage

    any help on tuning for fuel mileage on the gas ls gen IV 4.8,5.3 & 6.0 would be helpful? Thanks

  2. #2
    Lifetime Member
    Join Date
    Jan 2012
    Posts
    253

    Default

    general tuning helps alot. Lean out the cruise tables. add timing where needed. Im tunning about 15.6 afr and 38* timing at cruise speeds (70mph). Currently getting 16mpg out af a gen III 5.3L with a 80e, 4.56 gears and 33" tires
    2011 Cadillac Escalade ESV. BTR 218/224 .553/.553 110LSA. Built 6L80 with 278mm Circle D 2800 stall converter.

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