Real quick tire size question

929 Views 4 Replies 4 Participants Last post by redbond1, Oct 3, 2008

dunko21

Discussion Starter · Sep 30, 2008

I have hyundai tiburon gt rims and my tires are just about shot. The rims are 17x7inches and have the stock 215/45/r17 Michelin Pilot tires. I found a good deal on some new pilots but they are 235/50/r17, will these fit or are they too large? Also, if they wont fit are there any other sizes that would fit the rim or just the stock 215/45/r17? Sorry if this is a noobish question I don't really know my tires too well. Thanks in advance.

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Stoof01

· #2 · Oct 1, 2008

those tyres are way to big, even if they did fit your speedo would be 4 mph off. I use 215/45R17's they are the right size

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jaegzie

· #3 · Oct 2, 2008

If you search there is a tire size calculator on here or also you can use ebay but the rule of thumb I always go by is for every 10 you change the first you change the middle on by 5

eg... 215/45/17 and 225/40/17 should have a very similar diameter about 1.5% off as well as 205/50/17. This is not exact on everything but if you are looking for deals and run across something this is what I always go by pretty close but not exact. Better if you use a calculator and figure out exactly what sizes work

Tire Calculator and Comparator is a good calculator

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Stoof01

· #4 · Oct 3, 2008

Tire size calculator this is the one i used

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redbond1

· #5 · Oct 3, 2008

I run 225/45/17's the speedo is out 5 km/h at 50 and 10km/h at 100 km/h but 225's are as wide as I would want to go on a 17x7 rim... VERY close to rubbing the strut.

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