Stock Tire Size Advice - Ford Mustang Forum
 
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post #1 of 7 (permalink) Old 07-21-2010 Thread Starter
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Stock Tire Size Advice

I am at the point where I need to replace my tires. I was hoping to be able to upgrade to some 18" deep dish bullitts when it was time to replace the tires, but it is not in the budget right now, so I will just have to replace the tires on the stock 17" bullitts. I have a couple of questions. I did a search on here but was unable to find the info I was looking for. What is the widest tires that will fit on the stock rims? 245's? 255's? If so, what aspect ratio with each so that I don't have major difference in speedometer readings? Also, has anyone tried the Continental ExtremeContact DWS tires? I was looking on www.tirerack.com and this seems to be the highest rated tire matching the stock size. Any other brands members would recommend other than the stock Pirelli's? Thank you.

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post #2 of 7 (permalink) Old 07-21-2010
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I am at the point where I need to replace my tires. I was hoping to be able to upgrade to some 18" deep dish bullitts when it was time to replace the tires, but it is not in the budget right now, so I will just have to replace the tires on the stock 17" bullitts. I have a couple of questions. I did a search on here but was unable to find the info I was looking for. What is the widest tires that will fit on the stock rims? 245's? 255's? If so, what aspect ratio with each so that I don't have major difference in speedometer readings? Also, has anyone tried the Continental ExtremeContact DWS tires? I was looking on www.tirerack.com and this seems to be the highest rated tire matching the stock size. Any other brands members would recommend other than the stock Pirelli's? Thank you.
I wouldn't go any larger than 245's and you won't find much that will fit. Most have a 50% aspect ratio. If I were you I would just throw some more 235s on your wheels. Check out Lowest Priced Tires - TireMonkey. I am running Toyos but I am plus-sized and there wasn't much to choose from. The stock Pirellis suck a$$.


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post #3 of 7 (permalink) Old 07-21-2010
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i would want to see those Conti's in person before i bought them, but they "look" good for the price.
check out this AFM wheel/tire link for more opinions:
Wheels and Tires Forum | AllFordMustangs.com

good luck

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post #4 of 7 (permalink) Old 07-21-2010
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How wide are the stock rims?


Are you looking for a summer tire, all season, in the middle?

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post #5 of 7 (permalink) Old 07-21-2010
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I'm guessing the stock Bullitts are 8"-8.5" and I would think you could get a 275 on there. If not go 245-255. I recommend the Nitto 555s, my car hooked up really well with some 245/45/18s . I now run the GT500 285 Eagle F1s and they work amazingly!

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post #6 of 7 (permalink) Old 07-22-2010 Thread Starter
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The stock wheels are 8" and I continued to do research and it appears that the widest tire that will fit without sacrificing handling is the 255/50/17. I have a friend that works at firestone and might be able to hook me up on a good deal for new wheels if I decide to go that route, which I might since they have 6 months same as cash, making the new wheels possible now. I like the classic look of the bullitts, especially the deep dish on the 18's. However, after looking on several different sites at wheels, I am curious to see these MOTEGI MR116 MATTE BLACK W/RED STRIPE wheels on my tungsten grey GT that I found at American Racing: Official Manufacturer Website- custom, chrome, polished and painted wheels on the second page. Since they don't have a 18x10, I was considering 18x9's on all four with 275/40/18 like on Roush's. Anyone running these size wheels and tires on all four on a non Roush GT? Are there any issues? It doesn't appear to be on the Roush's, but not sure if there have been any changes to suspension to allow these to work fine or if I would need to make any other changes on my stock GT?
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post #7 of 7 (permalink) Old 07-22-2010
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Quote:
Originally Posted by PHOP1969 View Post
The stock wheels are 8" and I continued to do research and it appears that the widest tire that will fit without sacrificing handling is the 255/50/17. I have a friend that works at firestone and might be able to hook me up on a good deal for new wheels if I decide to go that route, which I might since they have 6 months same as cash, making the new wheels possible now. I like the classic look of the bullitts, especially the deep dish on the 18's. However, after looking on several different sites at wheels, I am curious to see these MOTEGI MR116 MATTE BLACK W/RED STRIPE wheels on my tungsten grey GT that I found at American Racing: Official Manufacturer Website- custom, chrome, polished and painted wheels on the second page. Since they don't have a 18x10, I was considering 18x9's on all four with 275/40/18 like on Roush's. Anyone running these size wheels and tires on all four on a non Roush GT? Are there any issues? It doesn't appear to be on the Roush's, but not sure if there have been any changes to suspension to allow these to work fine or if I would need to make any other changes on my stock GT?
It would be too bad not to get rims as wide as they can be since wider doesn’t cost more for the most part. At a minimum I would go with 9.5’s all the way around. Preferably 18’s because there is a much larger tire selection in 18”.

Check these Konig wheels out, they are reasonably priced:

Konig 18 inch custom rims

Konig Zero-In custom rims

Konig Lace custom rims


These are a bit more but are nice and light and will clear big brakes.
18x9.5 Rota DPT - Flat Black (5x100x114.3/e44/73) Wheeldude.com - Professional wheel dealer.

As far as tires go I think the best bang for the buck out there right now is the Sumitomo HTR Z III’s. They get fantastic reviews, last forever, stick well and the price is right. When I chuck the wheels at my Vert I will be going with these as “all season” tires.

If you can go with 9.5” rims all the way around throw 275’s on them and they will be perfect. And you will be able to rotate them because they aren’t staggered.

Another option is to go with these. They will fit perfect, OEM wheels are of much higher quality than any under $200 rim. They are 18x9’s, they have great high dollar tires and in the future you can have them powdercoated black.

18" Ford Mustang Shelby GT500 Wheels & Goodyear Tires: eBay Motors (item 190409100248 end time Jul-24-10 06:14:06 PDT)


Waiting on 2019 GT500

2012 GT Vert Brembo - Stock-ish

2012 F-150 FX4 EcoBoost 4x4 406rwhp/522rwtq. The most powerful EB F-150 on the planet?

2007 GT-TSR/Stops/Turns/Custom Everything/3.4L Whipple Crusher/1000hp SOLD
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