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Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

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Old 05-11-2008, 08:07 PM   #1
jonward786
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Default Wheels/Tires for 1968 Mustang

Hey guys, im new to these forums and new to being a mustang owner as well, just bought a 68 last week. Im really excited, i got a great deal.

Anyways the first thing i want to do to it is get some new tires and wheels, because i noticed a rather substantial crack in one of the tires rubber and dont wanna risk it.

I was thinking a width of about 250-265 in the rear and 210-220 in the front. What im wondering is: what kinda of space do i have to work with on these 68s? Right now it has a pretty ****ty set of AR 14" rims with 205/70/14 tires on them and it seems i have plenty of space in the rear bit it looks a little cramped up front.

Right now i plan on putting some AR 17" rims all around but im not sure what do do about back spacing, because i really dont wanna order rims and then have them sticking out too far past the fender. Does anyone know anything about what type of backspacing would be ideal for a 265ish rear tire and 215ish front?

Thanks in advance for any advice you have.


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Old 05-11-2008, 08:12 PM   #2
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Default RE: Wheels/Tires for 1968 Mustang

get a wheel with a ~4.5" backspacing and youll be good.

if the wheels have a bigger BS, then you need spacers. i have 05 bullits on my stang and i need 2" spacers in front and 1" in back.

but AR or vintage wheel works offers custom backspacing. i myself am gonna get the vitnage 45's, 17x8. they need no spacers cause they have a bigger lip due to the correct backspacing.

this will help you a lot
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Old 05-11-2008, 08:31 PM   #3
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Default RE: Wheels/Tires for 1968 Mustang

Hey thanks, i thought i read somewhere that someone had done a wheel chart. Yeah i do like those Vintage 45s. I can't decide between AR's Torq-Thrust or the Vintage 45s...they look pretty similar. Is there much of a difference between them?
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Old 05-12-2008, 03:32 PM   #4
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Default RE: Wheels/Tires for 1968 Mustang

Would i have to cut out the wheel wells if i put a 275 tire in the back of my 68?
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Old 05-12-2008, 04:12 PM   #5
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Default RE: Wheels/Tires for 1968 Mustang

Theyshould barely fit with a 17x9 wheel with the proper backspacing.


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Old 05-12-2008, 04:37 PM   #6
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Default RE: Wheels/Tires for 1968 Mustang

Nice little chart! Just saved it.. thanks
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Old 05-12-2008, 04:40 PM   #7
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Default RE: Wheels/Tires for 1968 Mustang

Yeah really handy chart there, thanks man.
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Old 05-12-2008, 04:58 PM   #8
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Default RE: Wheels/Tires for 1968 Mustang

np It's an old chart, and the VMF has it posted on their FAQ section.

Dodgestang's charts are much more in-depth and cover various suspension mods, but I like this chart for basic guesswork.
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Old 05-12-2008, 05:20 PM   #9
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Default RE: Wheels/Tires for 1968 Mustang

I've got 17x7 front 17x8 rear Vintage 45s on my 68 coupe. not sure if yours is cp or fb...
Here is a pic just for reference since you said you are considering these rims.

Click the image to open in full size.
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Old 05-12-2008, 05:29 PM   #10
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Default RE: Wheels/Tires for 1968 Mustang

Wow man, that looks amazing...my 68 is a similar color and i was skeptical that the gray would look good, but it looks awesome on yours. What width tire you have on there?
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Old 05-12-2008, 05:29 PM
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