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Bed height and what tire size?

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Old Sep 24, 2009 | 02:16 AM
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Bed height and what tire size?

My F-350 is too tall pulling my 5th wheel trailer, I have 315 75R 16 tires the height is 58" from the top of the bed to the ground. So I need to lower the truck, any body know what the height is with the stock 265 75R16 is and how about 285 75R16's? I really love the looks of the large tires on the rig but I baught this for towing so I need to know how much smaller of a wheel I have to unwillingly go back to... I am also raising the suspension of the 5er 2" so that will help to get things running level..I know it is a pain to run out and measure your rig but it will really help me..I've looked up the tire size but that dosn't take into account how much the tire will squat due to the weight, so It would not be as accurate as an actual setup..every inch is crucial too prevent the trailer from hitting the truck so your time input is greatly apprecciated by me and the wife..
 
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Old Sep 24, 2009 | 07:58 AM
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265/75-16 = 31.6" tall tire
285/75-16 = 32.8" tall tire
315/75-16 = 34.6" tall tire

should be easy to do the math from these numbers
 
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Old Sep 24, 2009 | 08:19 AM
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this page will help on size calcs..

http://www.discounttire.com/dtcs/infoTireMath.dos

Sam
 
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Old Sep 25, 2009 | 12:28 AM
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You might also look into changing the rear axle blocks. F350 uses approx. 4" blocks, F250 used approx. 2" blocks.

I did the change on my F350.
 
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Old Sep 25, 2009 | 12:57 AM
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That is an intersting option, what did you do to level out the front end?
 
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