17" Rims on 66 Coupe - Vintage Mustang Forums

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post #1 of 34 (permalink) Old 09-07-2012, 03:02 AM Thread Starter
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17" Rims on 66 Coupe

Hi All,

What sort of advice has anyone got with fitting 17" x 8" rims on a 66 Coupe. There 4 1/2" backspacing also ... just wondering if these will fit and look good with a good tire set-up or are they going to give me too much grief with rubbing etc.

Thanks in advance
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post #2 of 34 (permalink) Old 09-18-2012, 03:21 PM
fej
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4.75" is typical for a 17x8" rim when trying to run a square set up from what I know. A little camber in the front via adjustable control arms helps make everything fit nicely. Might need to roll the fender lips. I am going past that stage with 1" flares in the steel and 17 or 18" x 9.5's and 265's most likely

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post #3 of 34 (permalink) Old 09-18-2012, 04:27 PM
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I have a 67, but you should have no problems fitting my setup, if thats what you desire.

Cragar Soft 8s on Classic Mustang

I went with 245/45/17 all the way around. But you can go with a 235/45/17 in the front and a 245/45/17 in the rear and have no problems on a 66.

Also, Follow this guide:
http://www.dodgestang.com/Tire%20Fit...ide%2065-6.pdf

hope this helps!

1967 Ford Mustang C Code
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post #4 of 34 (permalink) Old 09-18-2012, 10:03 PM
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Here is my setup
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post #5 of 34 (permalink) Old 09-18-2012, 11:31 PM
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I just bought 17x7 wheels on all 4 corners. Showwheels Streeter with 4.25" backspacing.

Front tires are 225/45
Rear tires are 235/45 (these fit nicely on 7" wheels, look great)
...I know, not much of a difference in tire size.

I put Mustangsteve disc brake conversion kit on for 2010 Must GT Calipers and I had to use a 1/8" spacer for good clearance on the calipers. Car sits high now, but I still need to do the 1" shelby drop, new 1" lowering springs for both, front and rear.

Anyway, the front and rear tires fit great, no rubbing despite the funny height. I haven't driven the car though, still under construction.
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post #6 of 34 (permalink) Old 09-19-2012, 08:05 AM
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Are these a specific set of wheels?
4.5" BS is fine for a 66 especially in a 17" Rim.
4.75' BS is supposed to be the way to go...
My sig pic show 16x8 (4.5" B/S) all around. It took a little tweaking, but nothing major.

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post #7 of 34 (permalink) Old 09-19-2012, 03:18 PM
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My car has (had) 17x8 with 4.5 backspacing. Fits flush with wheel openings.

Fitting 315's on the '66
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post #8 of 34 (permalink) Old 12-03-2012, 05:48 PM
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225 or 235 on 17's

I have the 235s -17s all around as mentioned by others. They are a little tight on my '65 Coupe. Had to roll fronts a lot and still have to roll back a little. My wheels say they have 4.5" backspace but I get some rubbing on bigger bumps/drops in road, especially when fully loaded with passengers. I lowered suspension approx 1" a while back. Also, consider if you have manual or power steering. The beefy fronts can be real tough to turn at low speeds and near impossible when stopped. I may go to a slimmer tire or get 4.75 backspace wheel. I get compliments on the look all the time. good luck!

1965 Coupe & Convertible
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post #9 of 34 (permalink) Old 12-31-2012, 03:46 AM
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would a 5 inch backspacing work better on the front of a 65 with a 17 or 18 inch wheel . I can get the wheel in 4.5 or 5 inch spacing

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post #10 of 34 (permalink) Old 01-02-2013, 10:29 PM
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Quote:
Originally Posted by Z06killinsbf View Post
My car has (had) 17x8 with 4.5 backspacing. Fits flush with wheel openings.
i was wanting to put 275s on the rear with 17x9's lowered 1 inch in the rear 8 inch. not sure if that would work but everything i have looked at says that it will probably work with rolled fenders.

Its fun, when it runs......
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post #11 of 34 (permalink) Old 01-02-2013, 11:17 PM
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Quote:
Originally Posted by Pynikal View Post
i was wanting to put 275s on the rear with 17x9's lowered 1 inch in the rear 8 inch. not sure if that would work but everything i have looked at says that it will probably work with rolled fenders.
Uhh I had 255's on some 16x8's and they rubbed. You'd have to flatten the wheel openings and use a BFH on the inner wheel wells. I too have heard of guys running 275's but don't see that happening.

This is a 275 17x9 test fit prior to mini tubs, I don't see it fitting




Fitting 315's on the '66
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post #12 of 34 (permalink) Old 01-03-2013, 08:07 PM
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so realistically im looking at a 255-45R17 and have to beat the wells up a little bit....

Its fun, when it runs......
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post #13 of 34 (permalink) Old 01-03-2013, 08:27 PM
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Most likely.

Fitting 315's on the '66
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post #14 of 34 (permalink) Old 01-03-2013, 08:42 PM
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better than what i have now!

thanks and love your car.

Its fun, when it runs......
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post #15 of 34 (permalink) Old 01-03-2013, 08:48 PM
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Thanks man, yours isn't half bad either.

Fitting 315's on the '66
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