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245/35/17 on 17x7.5?

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Old 07-08-2009, 09:05 PM
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245/35/17 on 17x7.5?

I plan on purchasing 17x9 wheels within the near future but need new tires now for my 17x7.5 wheels. will I be ok running 245/35/17 on them? I currently have 225/45/17 but could run 235/40/17.
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Old 07-10-2009, 09:50 AM
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I'm running 235/45R17 Star Specs on 17x7.5 wheels. They fit fine. The downside is there dia. is 25.4 and my OE tires are 24.9. I believe you could run 245/45R17, but they have an even larger dia. 235/40R17's could be squeezed on, but there minimum rim width is 8".

Basically it depends on what you want. A wider tire will give you more peak grip even on a narrow wheel, but at the cost of precision and crisp steering.

A tire better suited to the wheel will be more precise and offer better steering response, but of course peak grip will not be as high.
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Old 07-10-2009, 10:51 AM
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I just don't want to buy tires twice but need them now
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Old 07-10-2009, 12:17 PM
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I see.
Well 245's would be best for 9" wide wheels. But I'd want 245/40R17...245/45's are too big IMO. Almost an inch larger in dia. than stock tires. In Direzza's for example 24.9" (205/55R16) to 25.7" (245/45R17). 245/40R17's are 24.7".

I would think you could use 245/40's on a 7.5" wheel. Bee a little bulgy, but it's only temporary until you go to 9" right.
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Old 07-10-2009, 12:25 PM
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That's the plan
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Old 07-11-2009, 12:23 AM
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i had 235/40 on my 7.5s and it only bulged a little bit...some tires are wider on the sidewalls than others in the same tires size so some tires will bulge more..

i personally wouldnt try after seeing how 235s sat on my 7.5s
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Old 07-11-2009, 05:16 PM
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Bulgy isn't really an issue though. Clearance is more the issue.
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Old 07-11-2009, 05:54 PM
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Just buy new wheels already. =D
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