Tires

[m3incorp]

Stock height and you should be ok with no rubbing. Heck, i doubt if they would rub lowered due to the width of the wheel.

I just didn't know if they would rub at all with 285's. Should I go a little less in the front?

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[MidwayJ]

I just didn't know if they would rub at all with 285's. Should I go a little less in the front?

Many go 285 square with +35 offset, even with lowered cars. +30 would be be fine, too, for a 9.5 inch wheel width. The only potential rubbing issue I can think of is if those Roush wheels have a higher offset like +40 or more. That would mean the wheels sit further inside, so there could possibly be a suspension clearance issue with wider tires. I think it's unlikely Roush wheels designed for Mustangs would have that issue, but since 285s are the widest recommended tires for 9.5 inch wheels and I believe the Michelins run wide, I thought I'd throw it out there. Do you know the offset of those wheels?

 

[Dave2013M3]

To be frank on a 9.5 " wheel don't go beyond a 275/30/20. The Continental Sport contact Extreme are a very close 2nd to the MICH PS4S and you can save some money. I have had both. To discern the difference from the two means you are driving at 9/10s driving it at a track and still it would be very close.

 

[m3incorp]

Some tires aren't available in certain sizes. My buddy wanted the Nitto NT555rii on thr rear of his Stage 3 Roush and had to go with the 285/30R20, as he couldn't find them in the stock size. He also couldn't find the matiching NT555R2 for the fronts in stock size, went with the 285/30 there also.

To be frank on a 9.5 " wheel don't go beyond a 275/30/20. The Continental Sport contact Extreme are a very close 2nd to the MICH PS4S and you can save some money. I have had both. To discern the difference from the two means you are driving at 9/10s driving it at a track and still it would be very close.

 

[uptownjames]

Many go 285 square with +35 offset, even with lowered cars. +30 would be be fine, too, for a 9.5 inch wheel width. The only potential rubbing issue I can think of is if those Roush wheels have a higher offset like +40 or more. That would mean the wheels sit further inside, so there could possibly be a suspension clearance issue with wider tires. I think it's unlikely Roush wheels designed for Mustangs would have that issue, but since 285s are the widest recommended tires for 9.5 inch wheels and I believe the Michelins run wide, I thought I'd throw it out there. Do you know the offset of those wheels?

No I don't but I can try and find out. You recommend the Michelin tires?

 

[Dave2013M3]

No I don't but I can try and find out. You recommend the Michelin tires?

I would go with a 275/30/20, that would be a perfect fit for those wheels. Michelin and Continental make them in those sizes.

 

[Dave2013M3]

Some tires aren't available in certain sizes. My buddy wanted the Nitto NT555rii on thr rear of his Stage 3 Roush and had to go with the 285/30R20, as he couldn't find them in the stock size. He also couldn't find the matiching NT555R2 for the fronts in stock size, went with the 285/30 there also.

Yea thats the issues with Drag Radials. You run what you can run and with the softer sidewalls rim width is not as important as a full on handling radial.

 

[Rapid Red]

If you have 20s did you purchase the steering STOPS. Are you aware of these, go on the rack, keeps the tire from hitting/rubbing the inner fender well, no one has mentioned this .

Buying wheels for a Mustang from Roush or Ford, off set will be as it should.

9.5 is a small rim. think about 10.5 x 19, tire 305/35/19 fat grippy, many more choices rubber wise.

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