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Offline dumcheesemonkey

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bigger wheels?
« on: October 12, 2012, 08:12:52 PM »
im wondering about getting larger rims on my wagon( i would stick with the 13s if i could find the flat black i want). i found some 15inch that i like but i was wondering what id need to do in order to make larger wheels fit, if anything at all.
79 wagon 2.3

Offline D.R.Ball

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Re: bigger wheels?
« Reply #1 on: October 12, 2012, 08:22:17 PM »
Mostly anything with a 4x4.25 or 4x108mm will work IE 1979 and up Mustang with the 4 lug also some foreign cars had the same size but watch out for the F.W.D. cars....The hub size might be different...

Offline Grumpy

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Re: bigger wheels?
« Reply #2 on: October 13, 2012, 08:17:08 AM »
dumcheesemonkey


Any of the Mustang four bolt wheels will fit but you need to pay attention to the total diameter of the tires. I have Mustang Pony rims(16X7)from a 91 GT on mine.


[size=78%]I started with 205/50/16 tires all around but experienced minor rubbing in the front wheel wells. I put 205/45/16s on the front and Shazaam, no more rubbing. The back does not rub, but they could use a 1/4 0r 1/2" spacer to get a little more clearance relative to the leaf springs and inner fender well(I found slight rub marks there). With our cars being so light(<2500#)the 205s are really all the tire the car needs to handle as well as it is capable of doing, but wider does look better and the Pinto can carry a huge tire in the rear with careful wheel selection, but with stock suspension we are limited in the front.


Eventually, I am aiming for getting a complete set of 2003 Cobra wheels(17X7-9 in front, 17X9-11 in the rear)along with a Cobra IRS and longer front A arms in front to match the track(stock 56, Cobra 60)and wheel offsets. 225-245 in front, 245-275 in the rear(IE roller skate). The companies supplying the hot rod industry based many of their front ends on the Mustang II, that is exactly what later model Pintos have under them, so custom pieces are easy to get and relatively cheap. You can get 13+ inch brake kits that bolt right on, custom length A arms with or without strut rod elimination, coilovers or even pushrod springing, 2 inch drop spindles, multiple sway bars and poly bushings. In the rear we must get more creative, either old school leaf spring upgrades or trash the whole setup for something else...



Of course, you need motivation...





Grumpy[/size][/size]
79 Pinto Hatch, Yellow w/White Pony stripes, Pony wheels, 6650 miles

Offline racer99

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Re: bigger wheels?
« Reply #3 on: October 13, 2012, 10:44:54 AM »
My 72 has 15x8.5s with 275/60/15s and they are under the car when viewed
from above.
The 79 wagon has 295/50/15s on 15x7 10 holes,had to use a .250
spacer to get the tire off the leaf spring.Still has 2.5 inches clearance
to the w/o pinch weld.

Of course this is rear end only.

Offline Pinto5.0

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Re: bigger wheels?
« Reply #4 on: October 14, 2012, 02:17:37 PM »
Tire Rack has charts that give specs on nearly every size tire made. Generally speaking you can fit a 25" OD tire out back without rubbing & a 24" OD up front. Larger fronts rub the plastic liners when turning.
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Offline JohnW

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Re: bigger wheels?
« Reply #5 on: February 17, 2013, 10:04:59 PM »
I'm running 195/50/15s in front and 195/55/15s in the rear. The 195/50s are a little skinnier than I'd like but I got a really good deal on the tires. They're relatively easy to find, used on Miatas. Ideally I'd run 195/55/15 front and rear. Only a hair taller than the 185/70/13s that were on my car when I got it.

To compare heights use the Miata.net tire size calculator: http://www.miata.net/garage/tirecalc.html
It'll give you diameter, radius, revs per mile, etc and let you compare two sizes to each other, works great.

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