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Old Jan 12, 2012 | 08:12 PM
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Tire question

I have a 2010 ford sd cc long bed with 6.4 diesel. My question is what's the biggest size tire i can get on my stock 18 inch rims. I've searched the forum but couldn't seem to find my answer.
Thanks in advance, Donovan
 
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Old Jan 13, 2012 | 08:13 AM
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Get the measuring tape out and cut the wheel.
 
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Old Jan 13, 2012 | 09:09 AM
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The problem is the 8" width of the stock wheel. The tire manufacterer recommends a wheel width for a particular tire, and for the tire you'll be wanting it isn't 8". More like 9" or 10". There are plenty of guys who put 35x12.50 tires on the stock wheels anyway. Wear issues and or load handling issues could be a problem so be aware of that. We all do alot of things we're not "supposed" to do to our trucks. 35x12.50 will fit on a stock truck of your year.
 
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Old Jan 13, 2012 | 09:45 AM
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Originally Posted by dman255
I have a 2010 ford sd cc long bed with 6.4 diesel. My question is what's the biggest size tire i can get on my stock 18 inch rims. I've searched the forum but couldn't seem to find my answer.
Thanks in advance, Donovan
I would post in the 6.4 section for a faster responce
 
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Old Jan 13, 2012 | 09:53 AM
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I have 325 60 18's on mine and they are still tiny looking in those wheel well's Check out my albums if ya wanna see em
 
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Old Jan 13, 2012 | 10:09 AM
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You can usually goto any tire manufacturers website and get recommendations. For instance, on Toyo's website this is the largest I could find for a standard (8in) wheel.

.................... Tire Size ................................. Approved Rim Size........ Dia
LT285/75R18 129S E/10 (35X11.5R18) ........... 7.5-8.0-9.0 .............. 34.8

Again, this is the manufacturers recommendation. What you do is up to you.
 
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Old Jan 13, 2012 | 10:46 AM
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Originally Posted by PA-Mark
I have 325 60 18's on mine and they are still tiny looking in those wheel well's Check out my albums if ya wanna see em
Isn't it amazing that you almost have to put 35" to make these trucks look right?
 
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Old Jan 13, 2012 | 11:07 AM
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Originally Posted by ccerniglia
Isn't it amazing that you almost have to put 35" to make these trucks look right?
Yep! I want bigger ones, because they just look tiny... I still got about an inch at full lock.
 
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Old Jan 13, 2012 | 11:36 AM
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Originally Posted by PA-Mark
Yep! I want bigger ones, because they just look tiny... I still got about an inch at full lock.
A set of tire chains would eat up that inch pretty quickly.
 
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Old Jan 13, 2012 | 12:37 PM
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Originally Posted by cartmanea
A set of tire chains would eat up that inch pretty quickly.
funny you mention that, I just moved back to PA this summer, Everywhere I have been has been minimal to no snow.... So I say man I cant wait for some snow, and everyone is like well you will get you fill here. Well here it is... Jan 13th and we have had record warm weather and no friggin snow!

What gives? maybe soon
 
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Old Jan 13, 2012 | 12:42 PM
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It's a La Nina year, weather is significantly warmer and drier than usual, probably will have a very wet Spring to compensate.

As another person mentioned, Toyo and a few others have a 285/75r18, which is a narrow 35" tire and a great option for stock wheels and just a leveling kit, maybe stock height on '08+ rigs. I wouldn't go much wider on an 8" rim.
 
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Old Jan 13, 2012 | 06:25 PM
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Thanks for all the in-put guys. My truck is lifted two inches and currently has 295/65R18 goodyear duratrac's on it and they just look tiny. I've had a couple people tell me they look too small and I've only had the truck since just before Christmas.
What's a reputable place to get some wheels so i could safely get bigger tires?
 
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