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Old Apr 8, 2019 | 07:16 PM
  #1  
willtim1234's Avatar
willtim1234
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Tire size

I have a 2014 F150 CC 4x4 with 18 inch wheels. Stock. What is the largest tire that will fit without a lift? Thanks.
 
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Old Apr 8, 2019 | 08:05 PM
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Diameter-wise ... 33" *F-150 stock is 32", Raptor is 34"
.
 
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Old Apr 10, 2019 | 02:55 AM
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Outside of possible looks, what benefit do larger than stock tires do for a truck? Serious question.
 
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Old Apr 10, 2019 | 02:11 PM
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From: Timbuk3, MI
Atlee - Outside of possible looks, what benefit do larger than stock tires do for a truck? Serious question.
Besides cosmetics, depending upon the aspect ratio...
.
  • less rolling resistance.
  • better traction.
  • more ground clearance.
  • taller sidewall.

To name a few ...
.
 
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Old Apr 11, 2019 | 09:14 AM
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I really doubt anyone can show that BIGGER tires have less rolling resistance and get BETTER gas mileage.

Traction is a function of tread design and tire pressure... NOT tire diameter.

I think we all agree that BIGGER tires would give more ground clearance and a taller side wall
 
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Old Apr 11, 2019 | 05:22 PM
  #6  
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steve(ill) - I really doubt anyone can show that BIGGER tires have less rolling resistance and get BETTER gas mileage.
And you missed, ignored, or didn't take into consideration, the following caveat ...depending upon the aspect ratio.

e.g. skinnier, taller tire(s). *Less contact patch.

Traction is a function of tread design and tire pressure... NOT tire diameter.
Yes, those do contribute. But, again ... depending upon the aspect ratio.

e.g. tire(s) with wider tread. *Greater contact patch.

I think we all agree that BIGGER tires would give more ground clearance and a taller side wall
Yeah! One for ...


.
 
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