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Wheel/Tire Fitment Calculator

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Wheel/Tire Fitment Calculator

Old 06-11-2010, 11:04 AM
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Wheel/Tire Fitment Calculator

This was posted by Vigs07R in another thread and may be of help to you.

Old 06-11-2010, 08:36 PM
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This is a good tire size calculator.

Old 10-28-2010, 05:51 PM
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2nd one is more user friendly. Thanks both of you.
Can the tranny or speedo somehow be adjusted?
Old 11-10-2010, 03:59 PM
Join Date: Jul 2010
Location: San Antonio, Tx
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Originally Posted by Stealth View Post
This is a good tire size calculator.

Very nice find... thanks alot i've been rackin my brain tryin to figure out the difference in the stock to the new tire i'm going to put for while
Old 11-30-2010, 03:30 AM
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Both helped a lot. Thanks
Old 12-04-2010, 12:12 PM
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Old 12-08-2010, 06:04 AM
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Here's a really good one that I have been using as well.

Old 12-24-2010, 06:02 PM
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how do u get speedo changed?
Old 01-29-2011, 09:37 PM
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Attn MOD
I was just on that Rims N Tires site 2 days ago and went there today and the page was down/missing. So then I went to their home page to find their link to the Comparer and followed it.
I guess the new URL is:

and not:
(Broken) http://www.rimsntires.com/rt_specs.jsp
Old 03-21-2011, 04:26 PM
Join Date: Feb 2010
Location: Phoenix Az.
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Adjusting Speedometer per new tire size

Is there a way to adjust the speedometer?
I have 35x12,5 R17 on my 2001 F150, I think this truck came with 295x10 R17 from the factory.
Old 03-21-2011, 04:52 PM
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It requires a change in the PCM using a programmer or at the dealer. The dealers sometimes do not have the software for the larger tire sizes. It's a good time to invest in a programmer which you probably need anyway with the taller tires.
Old 03-26-2011, 03:17 PM
Join Date: Sep 2010
Location: West Tennessee
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Thanks for the research.

Thanks for the reseach sites, I ve been trying to decided what would be best with a 6" lift and stock rims.
Old 03-31-2011, 02:12 PM
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What are the largest size i can fit

Hi, i own a 2010 F150 xl double cab. and i dont really want to get involve into change or lift it but i do want to by a set of bf goodrich mud terrain II for it.

The question i have is withouth changing a thing of my truck what would be the largest diameter i can make fit on to it without haveing the risk of damage the truck. i tried some 305 i think but they say i was going to hit the front wheels everytime i turn.

I dont have to many experience and i have no way to know how the tire look because i have to pay the wheels before they can mount it on the truck.

thank you
Old 04-22-2011, 04:45 PM
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08 F150 supercrew tire size?

Does anyone know the largest tire i can put on the stock 18" wheel? tire size now is 265/60/18.

Old 06-10-2011, 12:14 PM
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I need help installing original wheels f-150 2010 to 1998, from 6 to 5 lug, what would be the best recommendation

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