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Power Strokes
7.3 Aftermarket
fuel mileage
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[QUOTE="smokin99stroke, post: 570250, member: 692"] I feel like your about as good as you're gonna get. ZF6 swap will definitely help your mileage from my experience. Also aired my tires up to 60-65 psi but I can't get better than 15mpg going 65 in my economy tune even with all new brakes and fluids and filters. and wheel bearings. I'm on 35s on 20s. Don't drive like a moron in town either especially with your lift. Have you considered going down to leveled or 4" on 35s? [/QUOTE]
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