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Whats the widest tire I can put on a 18x9.5 wheel ??

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Old 10-03-2008 | 01:54 PM
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Default Whats the widest tire I can put on a 18x9.5 wheel ??
I have 18x9.5 wheels on the rear of my 1999 SS. Right now i have 275/40-18 tires on the wheels. Is that the widest I can go ??? Because im looking to put sum drag radials on my SS. I'd prefer to get some Nitto drag radials
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Old 10-03-2008 | 01:56 PM
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285 wide is a safe recommendations
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Old 10-03-2008 | 01:57 PM
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https://ls1tech.com/forums/showpost....85&postcount=1
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Old 10-03-2008 | 03:07 PM
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i went off that chart when i got my rear tires and saw 285 as the widest, so i got those...

but what would happen if u put 295's??? anyone know...is it unsafe at certain speeds...?
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Old 10-03-2008 | 03:14 PM
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I had 11.5 slicks on stock snowflakes, i think those are 8.5 wide.
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Old 10-03-2008 | 03:22 PM
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I think you can probably do 305's
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Old 10-03-2008 | 05:12 PM
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Originally Posted by 01SuperSport
I think you can probably do 305's
werd....305 35 18 nitto 555r
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Old 10-03-2008 | 06:07 PM
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i have 295s on 18 x 9.5 and they look great never had a problem with them
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Old 10-05-2008 | 08:41 PM
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u can do 305 or maybe 315 i run a 275 on a 8 inch rim so u can pretty much go up a few sizes but dont try to slide or drift cuz u might break the bead.
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Old 10-06-2008 | 05:47 PM
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Thanks for all the input ....gents
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Old 10-07-2008 | 12:09 AM
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nittos run small.

on a 17x9.5 you can fit a 315 nitto. i did it for years. it's actually around a 285. its fits good though.
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Old 10-07-2008 | 12:10 AM
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I have a 295 BFG drag,,, i could fit a 315 nitto easy.

low psi launches, 160mph+ runs, no problems
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