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2013 Ford F-250 - Project Super Dirty: Part 5 Photos

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1. When we last left our illustrious F-250 builders, they had just finished building the stock Dana 60 and Sterling axles with ARB Air Lockers, Nitro Gear & Axle axleshafts, and Axletech portal gearboxes (Oct. ’13). When you multiply the stock 3.55 gear ratio times the 1.5 portal gear ratio, these new axles have a 5.32 final drive, plus they add 5 inches of ground clearance.
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