What size tires can you fit on a Mark VIII?

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At some point I am looking to get aftermarket wheels and tires. My question is what size wheels and tires could I get without it messing up my speedo? I'm looking to bump up to a 17" or a possible 18" wheel.
 
I wouldn't mind the Cobra rim's but I'm really not looking to spend $1000 on them when I can get them with tires mounted and balance for $1500 directly from Ford
 
I was on ebay and they have several sets of LS wheels I was just wondering if the backspaceing would work on the mark VIII. I know the bolt patern is the same. They have 16's and 17's. I want to stay with the 16's. :feedback :zgreenbou
 
There is a whole mess of aftermarket options you can get. The key is "off-set". You have to be sure to get a wheel who's offset allows you the tire size you crave.

Stock rim dimensions are:
16x7
5 on 4.25(5x4 1/4)
+39mm offset(like a FWD car)

T-Bird/Cougar wheels bolt right up. Makes shopping for them alot easier with this info.

The widest tires I have seen on a Mark VIII were:
245/50-18 FRONT
275/40-18 REAR

I believe it was on a +30mm offset, but that part I am not definate on(owner wasnt sure).
 
I believe the newer tbird has a higher offset...closer to 60mm(which sux cux those are some pretty oem wheels). The older ones may bolt on like....but the only rims worth having would have to come off a sho. At least in my opinion. The LS from what i remember when i was rim shopping also has an offset that is too high. There are cougars, continentals, some volvo's will work i think and that's about it. Even the aftermarket's are kinda hard to find with the right offset, but they are out there. I put 18's on my car (pictures soon....sorry i've been stallin) and with 245's the speedo didn't change. I paid about 1150 in all, tires, wheels, mounted.
 
You need to keep in mind the width of the wheel when you start talking about offset. I don't see any reason why you couldn't fit something like an 18x9, 60mm offset wheel on a Mark VIII, as long as you're talking about positive offset.

Now there may be a very good reason that it won't work, but from what I have seen trying to fit 275/20s out back, there is a LOT of room towards the inside of the car. The more +offset you have, the more the tire is "tucked" under the car. Even with 275s, there was a lot of room to spare.

Your stock wheel/tire diameter is 26.6 inches. Knowing this, a 245/45/18 would give you 26.7, with 275/40/18 being the same diameter.

Google for "tire size calculator" and you'll get lots of hits.

Kale
 
67Continental said:
that's a really good price for 18 tires and wheels, where did oyu get them?


wheels and tires off ebay.......rims(18 chrome) were 575 after ship and tires(essenza's) were 475. Then i had to pay for valve stems/mounting/balancing. (Sorry I still haven't posted pics.....been tied down with school and work....but soon)
 
i have 18*9 w/ 30mm offset. i have 295 out back and they stick out bout .5" only if i thier is a way i could get a more + offset to tuck the big tires out back.....
 
lincolnboy said:
i have 18*9 w/ 30mm offset. i have 295 out back and they stick out bout .5" only if i thier is a way i could get a more + offset to tuck the big tires out back.....


Do you have any pics?
 
Well unfortunatly for me the roads suck real bad for around hear and after owning a 2002 Nissan Sentra SE-R Spec V which had 215/45/17's on it there is no way in hell I will ever be going back to such a low profile tire because within a few months of having the car I bent one of the rims. So the lowest I might go is 50-55 sidewalls
 
If you like Mustang wheels, there is a guy here who sells Mustang replicas for our cars for very good prices. He has Cobra R and Bullit's right now for around $700 shipped. Polished, painted, or chromed... his email is cudaz101@yahoo.com.
 
ONEBADMK8 said:
Hope they don't rub.

Seems that anything aftermarket on our cars requires a significant amount of "hoping." I've never heard a bad thing about cudaz101's products, and he answers all my emails promptly and detailed.
 

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