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fuel milage

  1. 2011-2014 Mustang Talk
    Any idea what the fuel mileage hit will be for a GT with a 3.73 vs. the stock 3.31? Going to get a 2011 GT for my daily driver
  2. 5.0L Talk
    Hey guys, ive got a 88 5.0 Mustang with an AOD auto in it, and its 100% stock other than a stereo, any how, im noticing im getting poor fuel milage, i know my cataylist converters are blocked, but still getting pretty good flow, i know that might have something to do with it, but what else could...
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