19" Tires on factory rims ?

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Jul 30, 2012 | 11:14 AM

#21

Stevedotmil

Shelby GT500 Member

Joined: July 15, 2012

Posts: 2,708

Likes: 2

From: Germany

Actual width depends on the tire manufacturer. Some run wide like Kumho and BFG. The Kumho 255's I bought not too long go were actually 12+ inches wide on a 9" rim and they were just right for that size rim.

Jul 30, 2012 | 11:15 AM

#22

justindo

GT Member

Joined: July 12, 2010

Posts: 114

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From: Southern California

Quote:

Originally Posted by Dave07997S

It could affect shift points on a auto, on a manual it won't be any real issue.

Dave

Hmm...I hadn't thought of that. Perhaps I should just stick to 245-45-19 tires.

Jul 30, 2012 | 01:12 PM

#23

rm2092

Thread Starter

Bullitt Member

Joined: January 5, 2011

Posts: 411

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From: New Orleans

Quote:

Originally Posted by justindo

Hmm...I hadn't thought of that. Perhaps I should just stick to 245-45-19 tires.

I hate how the stock tires look on the car, not sure why Ford did not go with a wider tire. Ill have to sit on this mod and re think it out I guess ?

Jul 30, 2012 | 04:42 PM

#24

TheReaper

Cobra Member

Joined: August 27, 2007

Posts: 1,497

Likes: 26

From: Southern Al

Quote:

Originally Posted by justindo

Hmm...I hadn't thought of that. Perhaps I should just stick to 245-45-19 tires.

255/40 will not hurt your transmission. Don't believe that BS.

Jul 30, 2012 | 04:54 PM

#25

HizliBullet

Cobra Member

Joined: October 11, 2009

Posts: 1,126

Likes: 4

Wider tires=less mpg

Jul 30, 2012 | 05:08 PM

#26

cinque35

Cobra R Member

Joined: February 9, 2006

Posts: 1,776

Likes: 1

From: NY

the stock's on my '10 were 235/50-18, i ran 245/45-18's on a set.
there are no issues with the auto shift points, no issues with the speedo,
or with the abs, t/c, est, or tpms.
just don't go more that ± 0.5" tot dia, then you'll need a tune.

of course you could just wait till it's time to replace them first.. and save some $$