40's on an 03 - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 04-15-2011, 07:07 PM Thread Starter
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40's on an 03

How much backspacing/offset would I need to fit 40x12.5's on an 03 F-350 without rubbing the springs ever time I turn a corner? How about 13.5's?

03 F-350 FX4 SC LB 8" BDS lift, 18" Fuel Hostages, 37" Mickey Thompson MTZ's, ARP Studs, NADP EGR delete, AFE Intake, CFM + Large Bore manifold, MBRP 4" turbo back with 6" Black miter stacks, SCT TSX with tunes from Gearhead and Quick Tricks, Bulletproof bumpers.
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post #2 of 2 Old 04-15-2011, 07:22 PM
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i was told that 4.5 backspacing is the best for leaf trucks....but im not sure when u get that big........
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