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Discussion Starter · #1 ·
I'm looking at putting this combo on my 9C1:

Front: 235/70/15 (27.95 height)
Rear: 275/60/15 (27.99 height)

I'm sure someone has used these sizes before...but I couldn't find much on a "post crash" search. Will a 275 go on a stock police wheel? Tire calculator I used recommended 7.5-9.5...

Also kicking around the idea of going 235/60/15 (26.10 height) on the front to have a similar side wall look...but I assume it would mess up the ABS with a 1.9" difference?

Thanks for any advice...just looking to get a little more rubber on the road and fill out the back end a bit :)
 

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1. 275/60's will barely 'fit' on the 9C1 rim although it ain't recommended.

2. 235/60's up front will look silly.....IMHO.

KW
 

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I'm looking at putting this combo on my 9C1:

Front: 235/70/15 (27.95 height)
Rear: 275/60/15 (27.99 height)

I'm sure someone has used these sizes before...but I couldn't find much on a "post crash" search. Will a 275 go on a stock police wheel? Tire calculator I used recommended 7.5-9.5...

Also kicking around the idea of going 235/60/15 (26.10 height) on the front to have a similar side wall look...but I assume it would mess up the ABS with a 1.9" difference?

Thanks for any advice...just looking to get a little more rubber on the road and fill out the back end a bit :)
I run 255/60?R15 Firestone Indy's all around. The bulge is noticeable between bead and tread. They are as wide as you should go on the stock rim and some might argue too wide as well. 275/60's are pretty much out of the question.
 

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I run 255/60?R15.......all around.......
I ran this combo for a short period of time on my first 9C1.

Great combo!

BTW.....I ran mine on 8" wide 'American Racing Wheels'; the type with the red and blue stipes on the lip that otherwise looked almost identicle to 9C1 rims.

The good thing is that they were cheap.....like $45 each, the bad is they don't make 'em anymore and they're all but impossible to find in good condition.

KW
 

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I ran this combo for a short period of time on my first 9C1.

Great combo!

BTW.....I ran mine on 8" wide 'American Racing Wheels'; the type with the red and blue stipes on the lip that otherwise looked almost identicle to 9C1 rims.

The good thing is that they were cheap.....like $45 each, the bad is they don't make 'em anymore and they're all but impossible to find in good condition.

KW
Thnx. The sketchy feeling I get from the bulge is allayed by the ride itself. They really do feel tight and grippy as opposed to stock 70 profile tires which, although more economical, tend to bounce you around more. 8" would be perfect for the 255/60's. The problem being the stock rims are a full inch narrower.
 

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The 235/70R15 front and 275/60R15 rear would be a real good combination as the tires have the same diameter for all practical purposes. However that size is somewhat hard to find but I believe Hankook makes a 275/60R15 tire in an H(130MPH) rating most others are S(112MPH) or T(118MPH) speed rating. Hankook used to make a 275/60R15 in a V rating but its been a few years since they last made them. As for rim fitment I wouldn't chance it, I currently run 295/50R15 tires on 15x8 rally rims and that is just at the limit for 8" wide rims(295 tires are nearly a foot wide), so I would recommend getting a matched set of 15x7 and 15x8 rims, unfortunately the 15x7 9C1 steel rims have round holes and the closest factory 15x8 wide rims have square holes instead so they wouldn't really match up. - Peter
 

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I ran 255/60's in the front and 275/55's I think out back on my old 95 9c1 not one problem, and I drove like a dick lol.
 

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I would recommend getting a matched set of 15x7 and 15x8 rims, unfortunately the 15x7 9C1 steel rims have round holes and the closest factory 15x8 wide rims have square holes instead so they wouldn't really match up. - Peter
Could get two 15x7 from the vans, and two 15x8 from the trucks and give that a try. Same design.
 

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Discussion Starter · #9 ·
Thanks for all the info guys!

I've actually got a set of those American Racing wheels around, a 15x7 pair and 15x8 pair...used to have them on the wagon before I went Impala wheels.

So if I did:
Front: 235/70/15 (27.95 height)
Rear: 275/60/15 (27.99 height)

With the wider 8 inch rear rims...would the side wall difference between front and rear look silly?

Also, I assume there isn't an issues getting the 275 under the back of a 9C1? I'm used to fitting wheels/tires under my wagon with the fender extending down..
 

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Front: 235/70/15 (27.95 height)
Rear: 275/60/15 (27.99 height)

This is what I have on my 77, looks great and really fills up the big wheel wells nicely especially since my car is lowered. I do have 8 inch wide rear wheels though for the 275s. I think big cars look a lot better when the wheel wells are properly filled whether it be tires or wheels. My tires are firestone firehawks by the way and I like them a lot, great traction in both wet and dry conditions and they look good.
 

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Discussion Starter · #11 ·
Front: 235/70/15 (27.95 height)
Rear: 275/60/15 (27.99 height)

This is what I have on my 77, looks great and really fills up the big wheel wells nicely especially since my car is lowered. I do have 8 inch wide rear wheels though for the 275s. I think big cars look a lot better when the wheel wells are properly filled whether it be tires or wheels. My tires are firestone firehawks by the way and I like them a lot, great traction in both wet and dry conditions and they look good.
Going with this I think...probably firestone like you or some BFG T/As..
 

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Discussion Starter · #13 ·
Any issues with the 255's rubbing up front at a full lock?
 

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Hey, not sure how I forgot to respond to this for a month.

Yea, the 255's can rub at full lock, but so can stock 235/70's.

I had a giant BMR swaybar up front, and I could see a noticeable wear mark on the Powercoat of the swaybar in that spot. I ran that combo for years though and it was never an issue, and I drove that car HARD.

No real need to go full lock anyway most of the time.
 
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