tire size, 245 45 17 - TCCoA Forums
 
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post #1 of 5 (permalink) Old 09-18-2002, 07:22 AM Thread Starter
Ben
 
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tire size, 245 45 17

i really like the 245 45 17, but some prople say they rub and everything,
so what whould be the next step smaller?
235 45 17?
and is that a good size for our cars?
i did the tire calculator and its only off by like 3 mph @ 100 mph
what you guys think?
thanks
ben
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post #2 of 5 (permalink) Old 09-18-2002, 08:44 AM
 
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245/45R17 is smaller diameter than stock tires. 245/50R17 is the same diameter as stock, and will fit with absolutely no problems. Ths stock sport tires width is 225, so the 245 is only 20mm wider, which translates to less than 1/2" extra width on the inside and outside.
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post #3 of 5 (permalink) Old 09-18-2002, 09:06 AM
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Assuming the Same Width Rim...

If I remember correctly, for every 1/2 wider the rim, the section width of the tire increases by .2 inches. So those measurements have to be taken into consideration also. Correct me if I'm wrong. So if the manufacture says the section width is 10 inches measured on a 7.5 inch rim and you are using an 8.5 rim, the section width would measure out at 10.4 inches, which could impact clearances. Just some information that may help.
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post #4 of 5 (permalink) Old 09-18-2002, 09:51 AM
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When I had rubbing issues, it was my 17X9 rims, not my tires. I run 245/45/17's with no troubles. The rim issue was cleared up by a small spacer.

rusty steel wheels, Trans-Go shift kit ( soon to be removed), Alpine + Clarion speakers, Sony cassette head unit, Addco 1.25 rear sway bar, Tokico shocks, PBR GT calipers
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post #5 of 5 (permalink) Old 09-18-2002, 10:20 AM
 
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i run 245/45 up front with 17x9's, the only rubbing issue is related to the rim, not the tire.
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