What is the widest tire I can put on stock rims - Forums at Modded Mustangs
 
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post #1 of 14 Old March 28th, 2012, 05:06 PM Thread Starter
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What is the widest tire I can put on stock rims

What is the widest tire i can put on a stock 2000gt rim? I believe it is 17x8. I don't want to stretch it to the limit and be unsafe for every day driving. But something that would look better than the stock 245/45/17
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post #2 of 14 Old March 28th, 2012, 05:13 PM
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You want more than a 245, you really need wider wheels. You can run a 255, and hell a 275 will mount up on a 8" wheel, but it's just really not proper fitment and not something I'd recommend.

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post #3 of 14 Old March 28th, 2012, 05:18 PM
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Get urself some wider wheels

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post #4 of 14 Old March 28th, 2012, 05:24 PM Thread Starter
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What would be good if i upgraded to a 9 inch rim? 275?
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post #5 of 14 Old March 28th, 2012, 05:51 PM
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Originally Posted by bigballers351 View Post
What would be good if i upgraded to a 9 inch rim? 275?
275s are the stock size with a 9" wheel, so yes I run 255s on my 9s, but my wants out of a tire are a bit different that the average bear around here.

Function > Form, always
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post #6 of 14 Old March 28th, 2012, 06:02 PM
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275/40/17 and never turn back
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post #7 of 14 Old March 28th, 2012, 06:04 PM
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I've had 285/35/18 on 18x9 wheel. Now I have 255's

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post #8 of 14 Old March 28th, 2012, 06:11 PM Thread Starter
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Originally Posted by ReverendDexter View Post
275s are the stock size with a 9" wheel, so yes I run 255s on my 9s, but my wants out of a tire are a bit different that the average bear around here.
Why would you run a tire that is narrower than stock? just wondering
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post #9 of 14 Old March 28th, 2012, 07:22 PM
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Why would you run a tire that is narrower than stock? just wondering
255s are actually straight up and down on the rim. Stock tire size is too big IMO, generally 120% of the wheel width. Narrower tire has less slop in the sidewalls and reduces unsprung/rotating mass. It also allows running higher pressure in the tires (wider tire on the same size wheel requires lower air pressure to maintain maximum traction patch) which again helps up the effective spring rate from the tire.

tl;dr - better for handling

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post #10 of 14 Old March 29th, 2012, 11:31 AM
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275/40/17 and never turn back





BTW, this question has been asked and answered many times here.

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post #11 of 14 Old March 29th, 2012, 11:43 AM
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Quote:
Originally Posted by ReverendDexter View Post
255s are actually straight up and down on the rim. Stock tire size is too big IMO, generally 120% of the wheel width. Narrower tire has less slop in the sidewalls and reduces unsprung/rotating mass. It also allows running higher pressure in the tires (wider tire on the same size wheel requires lower air pressure to maintain maximum traction patch) which again helps up the effective spring rate from the tire.

tl;dr - better for handling
+1 That pretty much sums it up. Drag racers will usually run a wider tire though because they don't care so much about slop in the sidewalls.

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post #12 of 14 Old March 29th, 2012, 12:12 PM
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God how many times does this come up where bad information is often given and the proper information is just as often ignored

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It would still be fun to have a truck that poops speed bumps in fast succession.
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post #13 of 14 Old March 29th, 2012, 12:15 PM
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Originally Posted by ReverendDexter View Post
275s are the stock size with a 9" wheel, so yes I run 255s on my 9s, but my wants out of a tire are a bit different that the average bear around here.
Who you callin' average, pal?

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It would still be fun to have a truck that poops speed bumps in fast succession.
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post #14 of 14 Old March 29th, 2012, 12:34 PM
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I'm running 275s all around, but I bought them keeping in mind that I'll be getting 10.5" rear wheels eventually. They also said it was a pain in the ass to mount them because of the extra width of the tire and super stiff sidewalls. Its not recommended to go that big on stock, as stated by those above. I would listen to them, they know their shit.


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