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Old 03-02-2006, 03:32 AM   #1
Shifty101Easy
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Default Tire Sizing Help!

http://cgi.ebay.com/ebaymotors/ws/eB...3ARTQ%3AUS%3A1

hey, i just ordered those rims for my 1968 coupe and i need to get some tires ordered too, im wondering if 235/45/17 - like they reccomend, is going to be a good choice i tire size?
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Old 03-02-2006, 06:18 AM   #2
65_2plus2
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Default RE: Tire Sizing Help!

I have Goodyear Eagle ZR45 245/45ZR17s all around on my 65 fastback. So the 235's will work as well. Her is a link to Tech Articles that Fit Late-Model Wheels on a Vintage Mustang

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Old 03-02-2006, 06:29 AM   #3
Shifty101Easy
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Default RE: Tire Sizing Help!

hey thanks. i just ordered the reccomended 235/45/17....the 245 just have a little bit wider rubber right???


i think they will be fine, just want it to look right on the rims....and they reccomended them so whatever, it should be nice regardless.
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Old 03-02-2006, 07:40 AM   #4
65_2plus2
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Default RE: Tire Sizing Help!

Check out this Tire Size Calculator I found some time ago. It works wonders when trying to decide what size tire are a possible fit. Tire Calculator

For instance, plug in the stock tire size (205/70/14) and the new size (235/45/17) and see the difference in width and circumference. Also the speed difference is at the bottom.

Cheers.....[sm=icon_cheers.gif]
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Old 03-02-2006, 01:00 PM   #5
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Default RE: Tire Sizing Help!

62_2plus2,
Do you have any photos of your wheel/tire setup. I'm thinking about a 17" wheel but I'm torn thinking it may look too big. I'm either going 16 or 17 depending on the look. If you have any could you post some photos.

Thanks,
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Old 03-02-2006, 01:07 PM   #6
slickman
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Default RE: Tire Sizing Help!

Yup, them are the ones I got for my 66.... I have 225x45-17 on them.
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Old 03-02-2006, 07:36 PM   #7
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Default RE: Tire Sizing Help!

One often-overlooked area here is backspacing. Backspacing can be your friend, or your enemy. For example, my 67 came with 235/45s on 17x7 rims in the front - which looked great, but rubbed the fenders ALOT. Everywhere I've seen people put this tire size on the front of 67s so I wondered what was the difference. Turns out the backspacing on my front wheels is only 4", and not the recommended 4.5 - 4.75". With the 4" backspacing, I can only fit 205/50s on front. Lesson learned here - check your backspacing first!
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Old 03-02-2006, 09:18 PM   #8
Shifty101Easy
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Default RE: Tire Sizing Help!

fast shipping for those rims....they said they would be here tomorrow or monday....
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Old 03-02-2006, 10:43 PM   #9
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Default RE: Tire Sizing Help!

[quote]ORIGINAL: 65_2plus2

Check out this Tire Size Calculator I found some time ago. It works wonders when trying to decide what size tire are a possible fit. Tire Calculator

For instance, plug in the stock tire size (205/70/14) and the new size (235/45/17) and see the difference in width and circumference. Also the speed difference is at the bottom.

Cheers.....[sm=icon_cheers.gif]
Good link Chief....I'll add that to the FAQ.
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