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Will 245 work on a 17x7 +38 wheel?

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Old 09-10-02, 12:20 PM
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Will 245 work on a 17x7 +38 wheel?

It'll be for the rear for my FC. Just to let u know, I'd like to do this because I wanted to make my rear look wider. Any ideas?
Old 09-11-02, 05:23 PM
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No, 245-mm widths require at least an 8-inch wide rim. Do the math--245-mm converts to 9.64 inches:

245 mm x 1 inch/25.4 mm

multiply across, mm dimension cancels, and you're left with 9.6457 inches!

OK, now you try it...

How many inches would a 255-mm width tire be?
Old 09-11-02, 06:53 PM
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Hmmm... you can't just directly do the math on tire fitting. How would you explain a 225mm tire on a 7" wheel?
Old 09-11-02, 09:07 PM
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To maintain stock wheel+tire diameter, you would need to run a 245/40 17 tire. The minimum width for this size is 8". If you went with a 245/45 17, you would be taller than stock and would still require a 7.5" wheel. Note these are the MINIMUM recommended widths, not ideal.

Ideal width is about 90% of tire width.

Go to www.tirerack.com and look at potential tire purchases. Under the spec section for each tire, it will list the recommended rim widths. You will find that 225/50 is about as wide as you really want to go.
Old 09-11-02, 10:14 PM
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Yeah, what rynberg posted
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