C-Body Wheel and Tire Survey

Which wheels and tires do you like on C-Bodies?


  • Total voters
    95
  • Poll closed .
1970 Plymoouth Fury III

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15" 1990 Lincoln Town Car alloy wheel option with Cragar push through center caps. The bolt circle was already 5 x 4.5, but the centers had to be upsized to fit the rear axle flange, then they were powder coated in mirrored silver. Tires are Hankook P235/75/15.

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Would a road wheel centre fit?
The wheel itself would not go on over the axle flange that sticks out; even without the center cap installed. I did not have any road wheel centers to try using with that wheel. Since the wheels had to go to the machine shop anyway, I had the Cragar center caps dialed in so they are a push fit from the backside.

I am not sure if that is what you were asking.
 

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15" 1990 Lincoln Town Car alloy wheel option with Cragar push through center caps. The bolt circle was already 5 x 4.5, but the centers had to be upsized to fit the rear axle flange, then they were powder coated in mirrored silver. Tires are Hankook P235/75/15.

Nice rims. I don't think they're going to be available in US/Canada for under $200 each by the looks of it.

What is the back spacing?

I would have gone with 225-65-15 tires personally, but it seems nobody makes any tires in that size, but it would have given a correct rotations-per-mile of about 755 - 760.

Your 235-75-15 is going to be 8% larger diameter vs factory G78-14 (or 8.25-14), your speedo will read 60 mph when your actual speed will be 65. Any reason you chose 75 profile tires and not 70?
 
Nice rims. I don't think they're going to be available in US/Canada for under $200 each by the looks of it.

What is the back spacing?

I would have gone with 225-65-15 tires personally, but it seems nobody makes any tires in that size, but it would have given a correct rotations-per-mile of about 755 - 760.

Your 235-75-15 is going to be 8% larger diameter vs factory G78-14 (or 8.25-14), your speedo will read 60 mph when your actual speed will be 65. Any reason you chose 75 profile tires and not 70?
I am not sure on the backspacing, I will try to measure it someday when I have it out. IIRC they were just under 7" wide (maybe 6 3/4").

I really like the look of the taller tires as opposed to stock. I thought that the factory tires look kind of small relative to the size of the car. The 235/75/15 is 28.88" tall and 9.25" wide with commonly available white walls. Since I swapped to a 3.23 gear from the original 2.76, it brought the speedo back in line a bit. Ideally, I would have switched to a 3.00 gear, but the reality is my rear axle was making noise and I had that other chunk ready to go.
 
I am not sure on the backspacing, I will try to measure it someday when I have it out. IIRC they were just under 7" wide (maybe 6 3/4") ..
IF these are the ones or similar, this source says like a +9 mm offset.

so my farmer's math then says ~3.5 inch backspacing (back edge of rim to back of hub area)? thats pretty good for a Mopar of this era.

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