67 Coronet rear tire size

Tires and Wheels (Mopar Hubcaps Too)

  1. 55sedanman

    55sedanman New Member

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    I know this topic has been covered hundreds of times but I find no info on if anyone has tried to fit a 820-15 cheater slick on the rear of a 67 Coronet? I know its approximately the same size as a p255/60/15 but not sure if the squared off sidewalls make a difference ?
    Thanks
     
  2. 33 IMP

    33 IMP Well-Known Member

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    I can't help for sure, i don't have a 66/67 b body, but the piecrust cheaters i have seen are very tall. I checked cokers site, they said 30 1/2 to 31 inches . I would look at the tires you have now, (assuming around 28") and see if you have another inch and a half to the front edge of the wheelhouse cutout. That's where i would expect trouble.
    67 coronets dont have real large cutouts if i remember right.
    You could also post in the 66/67 forum , they .ight have first hand info.
     
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    • 55sedanman

      55sedanman New Member

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      I was looking at Towel City, they show theirs as 28 1/2" tall.
       
    • aeon280

      aeon280 FBBO Gold Member FBBO Gold Member

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      Those should fit but it will come down to overall stance of your rear suspension and wheel offset. Im running 28" total diameter setup with 11.25" width on a fairly slammed rear with 5.25 backspace 9.5" wheels. I have mounted 275 60 15 BFGs on the car for mockup and those were really tight with worn out springs at stock height, 4.5 backspace 8" wheels. Probably would have run into some rubbing if I had tried driving on them. If you plan on having a stock height or slight rake in your suspension you should be good if you have the proper wheel back space and width. Proper backspacing is the key to any successful wheel setup. If you have a below stock ride height you may run into some rubbing on hard launches. The Coronet wheel house is a little under 11 inches at its highest point if I can recall my measurement but the majority of the space is over 13 inches of room. On the inside of wheel you will interfere with the spring before the wheel house. On the outside the quarter lip steals about 3/8 inch of space so if you clear it you should be good on that side all the way up.
       
    • Jeff_383

      Jeff_383 Well-Known Member

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      I have a 29" tall tire on my 67 right now (255/70-15). I will say they're tight front to back. not much more diameter would work. width wise yes back space is key. 8" wide rims with less than 4.75" BS and a 275-60 won't work. 5" BS it will with that 275. Now a 7" rim with 4 3/8"-4.5" BS with a 275-60 will work. Tight, but doable. I've had that combo on 66 and 67, both SS springs and stock worn out springs. It fits. Worn out springs rubbed slightly on sharp, slow, uphill turns. SS springs never rubbed. The only thing I did to make me feel better was trim a little bit off the outer wheel house edge where it cuts back towards the wheel. Although most of the time it rubs the inner housing up at the "bump" as I call it.
       
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