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Max Tire Size

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Old May 18, 2009 | 11:10 AM
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Max Tire Size

Hello all. Posted as a new guy in the new member thread. Just purchased a 2009 F-350 Crew Cab FX4 with the 6.4. Only complaint I have so far is the anemic Continental LT275/70/R18's. Read the FAQ and did some searching, but couldnt find my answer. Looking at going with a more aggresive all terrain tire (brand to be determined). If my math is correct the stock tires should be 33.16 in diameter and 10.83" inches wide. What is the maximum tire size I can go with without lifting or any other modifications on the stock 8" rim? Thanks!

Andy
 
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Old May 18, 2009 | 11:13 AM
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Welcome to FTE.

I think you can put 35's without clearence issues.
 
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Old May 18, 2009 | 11:58 AM
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Going through some tires sizes will a 325/65 fit? Dimensions on the 275/70 are 33.16 diameter, 10.84" wide and 104.17 circumference. Dimensions on the 325/65 are 34.63 diameter (plus 1.47") 12.8 inches wide (plus 1.97") and 108.1 circumference (plus 4.64). Looking at the goodyear website, recommended rim size is 8"-10".
 
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Old May 18, 2009 | 12:03 PM
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Those should fit, if not check out 325/60.
 
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