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rims and wheels
#1
hi Smile

Possibly thinking of putting a pair of 17" on the car. Ive heard that there is supposed to be certian sizes not to screw the whole thing up. I want a bit wider on the rear tires. what would you guys recommend? 72 Grandé.
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#2
I used 17's from a 2014 Mustang with a 1.5" hub spacer on all 4.
Working well with good clearance front and rear.

Mike SRO in SLC, Utah.  '73 Grandé "Resto-mod in progress"


[Image: IMG-0447.jpg]

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#3
What tire size ?
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#4
(08-10-2019, 12:04 AM)JohanFord1972coupe Wrote: What tire size ?
235/60R17


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Mike SRO in SLC, Utah.  '73 Grandé "Resto-mod in progress"


[Image: IMG-0447.jpg]

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#5
Ok so same front and back. Im looking for wider rear Tires Whats the widest on 17”
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#6
The width of the tire is dependent on the width of the wheel. Each wheel width has a narrow range of tires that will fit it. General rule of thumb is that the wheel width is 75% of the tire section width, but will vary somewhat by aspect ratio and tire manufacturer. The tire manufacturer will specify required wheel width. To get the section width of the tire, in inches, divide the size (width) by 25.4. So, the 235 millimeter width tire is 9,25 inches wide, which requires a wheel width of around 7 inches.

You can get an idea of how things work, including how different tire sizes affect your final speed/RPMs with the spreadsheet in this thread
https://www.7173mustangs.com/thread-tire...#pid115406

And speedometer gearing in this thread
https://www.7173mustangs.com/thread-spee...#pid163384



“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
[+] 1 user Likes Don C's post
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#7
(08-10-2019, 01:47 PM)Don C Wrote: The width of the tire is dependent on the width of the wheel. Each wheel width has a narrow range of tires that will fit it. General rule of thumb is that the wheel width is 75% of the tire section width, but will vary somewhat by aspect ratio and tire manufacturer. The tire manufacturer will specify required wheel width. To get the section width of the tire, in inches, divide the size (width) by 25.4. So, the 235 millimeter width tire is 9,25 inches wide, which requires a wheel width of around 7 inches.

You can get an idea of how things work, including how different tire sizes affect your final speed/RPMs with the spreadsheet in this thread
https://www.7173mustangs.com/thread-tire...#pid115406

And speedometer gearing in this thread
https://www.7173mustangs.com/thread-spee...#pid163384

Thanks Smile  will check out thoose excels  thumb

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