GT S197 General Discussion This section is for technical discussions pertaining specifically to the V8 variation of the 2005 and newer Ford Mustang.

tires on 18's??

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Old Mar 26, 2006 | 03:10 PM
  #1  
Vidgomd's Avatar
Vidgomd
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Default tires on 18's??

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whats a better set up??

steeda ultralites 18x9.5
255/45/18 front


rear??????

28540/18 or
295/40/18 or
295/35/18?????

which one will look and perform the best>?

what about tire pressure
Old Mar 26, 2006 | 03:53 PM
  #2  
silverpoison's Avatar
silverpoison
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From: Bellflower, CA
Default RE: tires on 18's??

You want to have the same heigth on the 4 corners, your front tires are 27" (255/45/18), a 285/40/18 tire would be a perfect match.
Old Mar 27, 2006 | 12:41 AM
  #3  
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Vidgomd
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Default RE: tires on 18's??

so your saying neither 295/40/18 or
295/35/18 would fit also?/
i dont want them sticking out the fenders either though..

and what about tire pressure i know its not gonna be the same as stock right?
Old Mar 27, 2006 | 08:53 AM
  #4  
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Menace
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Default RE: tires on 18's??

He's saying that the 295's aren't going to give you the same 27 height as the stock tires do. An easy way to calculate this is to grab a calculator.

295 / 25.4 = A big *** number, but round it off to about 11.61. That's the conversion for your tire width.

Now take that 11.61 x .40 = 4.644. That's your sidewall. So it's 4.6".

Now take your sidewall, times it by 2... Then add the size of your wheel. 4.644 x 2 + 18 = 27.288 Tire height. I think the stock tires are at 27, so that's not awful bad. You just want your front and back tires to match up, and people tend to get them as close to the stock height as possible so you don't have to alter your speedo. Also, you might want to get the sidewalls to match up a little bit too... That way it's uniform. So the reason why he said the 285 and not the 295 is because they are a better matchup with the 255s.

Hope this helps.

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