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I think it might be too big for the front. I had 265/40/19 and they rubbed when turning. I bought the roush turn stop kit to fix the problem though


2011 3.7 mustang
 
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Usually with racing and stuff, the wider tires are only on the back. You should be fine still with something like 255/40/19 on the front if you like this type of style.
 

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A 35 series is less likely to rub than a 40 series. With that being said I wouldn't go more than a 275/35.
Why do you say the 35 series(profile) is less likely to rub than a 40 series? Is this based solely on the fact that the 40 series would be slightly taller?
The profile wouldn't change the width, that I'm aware of.
 

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The widest I'd do up front is 255.

You really don't need anything wider than that on the fronts.
 

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Why do you say the 35 series(profile) is less likely to rub than a 40 series? Is this based solely on the fact that the 40 series would be slightly taller?
The profile wouldn't change the width, that I'm aware of.
Yeah. I mean I'm no expert on this but common sense dictates that would be the case.
 

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Yeah. I mean I'm no expert on this but common sense dictates that would be the case.
I'm no expert myself but just checking if I was missing something. After reading info on TireRack.com, the following is my understanding of how it works.
For example a 275/35/19 tire has a tire width of 275mm (10.83").
This tire width would change slightly based on the width of the rim it gets mounted on. A wider rim results in a slightly wider tire and vice versa.
The 35 is the aspect ratio (or series) which is the relation of the tire height to the tire width. Whereas 35 indicates that the height is 35% of the width. In this example it would be 0.35 x 275 = 96.25mm (3.79").
So as you see the aspect ration only establishes the height of the profile and not the width.
This is strictly my understanding and is given only in the spirit of helpfulness, assuming it's correct.
EDIT: I notice AM show the 285/35-19 as fitting all 05-15 Mustangs. I'm sure the final clearance would also depend on offset and if lowered. Should ask AM their opinion.
 

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I've seen a 315/35-19 fit up front on a 11+ before. Not terribly hard to do.


Bullitts are better than Bullets

I'm sure it's possible to go even bigger, but I just don't see the benefits of going that big up front.
 

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I'm sure it's possible to go even bigger, but I just don't see the benefits of going that big up front.

Depends on the cars set up. If all you care about is hooking from a stop yeah bigger up front won't help. But for cornering, it makes a difference assuming equal tire compound.


Bullitts are better than Bullets
 

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Usually with racing and stuff, the wider tires are only on the back. You should be fine still with something like 255/40/19 on the front if you like this type of style.
I supremely dislike the way the S197 fails to corner if the rear tires are any wider than the fronts. Every time I go wider, the car gets faster.

I have used 285/35R19 Bridgestone RE-11s on brembo wheels as street tires and light play tires for rainy track days. They do not rub if you have the correct steering stops.​

To get rid of the misinformation surrounding this chassis, I did not rub with 315s up front, or with the 335s, but you HAVE to use a short tire and wheel.
 
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