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Discussion Starter #1
I know my lx runs a 15 which are near bout impossible to find a used set today i searched i could of got 195 or 235. Didnt knoe if the 235's would of rubbed or not.

Im thinking about upgrading rims to a size thats more commonly found.

Dont the sc's run 14 inch rims while the lx is 15 and the sport birds (spiral swirl rim) run a 16?
 

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My aspect ratio is 70. So a 75-80 should be ok right?

My local yard crushed a mint 35th anniversary cougar. They said no one was pulling from it itd been there to long, had to go so i grabbed the wheel hubcaps. Wish ida go the rims..

Does the mark8 rims fit our hubs?
 

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My aspect ratio is 70. So a 75-80 should be ok right?

My local yard crushed a mint 35th anniversary cougar. They said no one was pulling from it itd been there to long, had to go so i grabbed the wheel hubcaps. Wish ida go the rims..

Does the mark8 rims fit our hubs?
Depends on treadwidth. For a given rim size, as you increase treadwidth, aspect needs to go down to maintain diameter. Total tire height needs to be within a few percent of the original size to maintain speedo accuracy.

There are a handful of tire size calculators out there you can play with. Optimal diameter for the MN12 is about 26.5".
 

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