Largest rear tire on stock rims? - Dodge Challenger Forum: Challenger & SRT8 Forums
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#1 (permalink) Old 03-01-2012, 12:10 PM
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Largest rear tire on stock rims?

I just bought an 08 srt8 a few days ago and it came with 255 all around. I would like to keep the 255 for the front but would also like to get the largest tire in the back. Whats the fattest tire that also fills up the wheel well the most in the back? with the stock srt rims of course, thanks !
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#2 (permalink) Old 03-01-2012, 04:46 PM
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I just bought an 08 srt8 a few days ago and it came with 255 all around. I would like to keep the 255 for the front but would also like to get the largest tire in the back. Whats the fattest tire that also fills up the wheel well the most in the back? with the stock srt rims of course, thanks !
You can fit a 275 easy. You can go bigger, but it's not recommended by most tire manufacturers.
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#3 (permalink) Old 03-01-2012, 07:37 PM
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You can go 275-285 on that wheel...for example I'm running 315 on a 20x10 and that def is not recommended by the tire calculator but it def DOES work....

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#4 (permalink) Old 03-02-2012, 12:48 PM
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some in here did a 315/35/20 with the stock rims. It looks a bit funny with the bulge but it works too if you get nittos (the run smaller).
I wouldn't drive them hard though
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#5 (permalink) Old 03-02-2012, 02:31 PM
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I would go no wider than a 275 on the stock 9" rim. If the tire is too wide for the wheel, its load capacity will be adversely affected, as well as its contact patch control because of the excessive sidewall roll over.

This will put the sidewall under extreme stress which can cause several things to happen:

1.) catastrophic sidewall failure due to load issues.
2.) complete tire failure due to excessive heat being generated by additional flex and/or roll of the sidewall.
3.) adversely effected handling since the sidewalls can not control the contact area properly.
4.) breaking of the tire bead area under extreme cornering causing immediate loss of air pressure and vehicular control.

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#6 (permalink) Old 03-02-2012, 03:30 PM
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you can push 285 on a 20x9 but you are right it is pushing it...
hellraiser you are running 315 nittos on the stock 20x9?!?!?
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#7 (permalink) Old 03-02-2012, 04:24 PM
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you can push 285 on a 20x9 but you are right it is pushing it...
hellraiser you are running 315 nittos on the stock 20x9?!?!?
yep love them no issues also


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#8 (permalink) Old 03-03-2012, 11:52 AM
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you can push 285 on a 20x9 but you are right it is pushing it...
hellraiser you are running 315 nittos on the stock 20x9?!?!?
Im not but do a search in here and you find the guys that did like above.
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#9 (permalink) Old 03-06-2012, 11:25 AM
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yep love them no issues also
Which tire did you buy so i can purchase them also? And how is the drive quality vs stock tire size.
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#10 (permalink) Old 03-06-2012, 11:31 AM
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I have 255/55/20. It fits good and fills wheel well up IMHO.


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