max wheel/tire width for 1966? - Ford Mustang Forum
 
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post #1 of 9 (permalink) Old 07-15-2019 Thread Starter
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max wheel/tire width for 1966?

I've just started rebuilding a 1966 Mustang, but I'm wondering what my options are as far as wheel/tire combos go. I'm thinking I'll be going with 17" wheels for a more modern look, but generally how wide can I go with my tires before I need to roll the fenders? I know it depends on backspacing, but I was hoping to find a good guide as to what I can expect.

Also, how much would the tire width change if I used a 15" or 16" wheel? Thanks!

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post #2 of 9 (permalink) Old 07-15-2019
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Everything you ever wanted to know about wheel/tire fitment......

http://www.dodgestang.com/Tire%20Fitment%20Guide%2065-6.pdf


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post #3 of 9 (permalink) Old 07-15-2019
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Going to 17" rims you'll have to accept a lower sidewall height and probably a rougher ride. With 15-16" rims you can drop from an R75 down to an R60 and increase width by 2 or 3 sizes.
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post #4 of 9 (permalink) Old 07-15-2019 Thread Starter
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Quote:
Originally Posted by Travis98146 View Post
Going to 17" rims you'll have to accept a lower sidewall height and probably a rougher ride. With 15-16" rims you can drop from an R75 down to an R60 and increase width by 2 or 3 sizes.
got it, thanks. by a 2 or 3 size increase, I'm assuming you mean 245 or 255 (from standard 225)?
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post #5 of 9 (permalink) Old 07-15-2019 Thread Starter
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Quote:
Originally Posted by Beechkid View Post
Everything you ever wanted to know about wheel/tire fitment......

http://www.dodgestang.com/Tire%20Fitment%20Guide%2065-6.pdf
getting a 404 error, looks like that link doesn't work
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post #6 of 9 (permalink) Old 07-15-2019
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Here's a new site for the information....

http://www.mustangv8.com/fr/pneus-et...;attach=236744


https://www.stang-aholics.com/files/...uide-65-66.pdf

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post #7 of 9 (permalink) Old 07-17-2019
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I don't think there is a maximum, it just depends on how much fabricating/modding you want to do.
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post #8 of 9 (permalink) Old 07-17-2019
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If you're willing to do some bashing and rolling, you can fit 265s in the rear (at least with 18" wheels). The front inner corner of the rear wheel house will have to be clearanced, and that can be accomplished with a ball peen hammer. Rolling the lip will help as well. The front can fit up to 245s on 17s with some clearancing of the upper control arm (though using something like a Total Control Products or Global West arm would be better) and rolling the fenders.

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