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Message: [QUOTE="WILD_PHIL, post: 486426, member: 6861"] Hey Thanks for making me feel dumb Jake. lol Guys I forgot I turned my low boost fueling up to 5. I was running it on 3. Next trip I plan on turning it down to 0. Next weekend I’m bringing my truck back, I left it with my wife at her parents’ house. I am going to turn my low boost down to 0, fill my truck up, and then fill it up again after 100 miles of straight highway driving to see where I am at. I keep my trucks maintenance up. Filters, Oil, tire pressure, all that good stuff. I always use my cruise control, and I accelerate slowly. I have plans for 33x12.50s. I am considering 3.55s also and my next purchase will be a CAI. I can’t believe I have gone 3 months without one. So has anyone built a 6.4 with great MPG in mind? I have seen guys on here claim to get 20-23MPG, that’s why I was wondering what everyone else is doing with their mini max tuning. [/QUOTE]

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