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post #1 of 13 (permalink) Old 07-11-2009, 05:24 PM Thread Starter
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235-70-15 ????

was curious if anyone had ran this size,

Looking to fill up the wheel well

i'm trying to decide between 225-70-15, 235-60-15 or 235-70-15
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post #2 of 13 (permalink) Old 07-11-2009, 06:40 PM
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The 235/60 is shorter than a stock 215/70/15. The 235/70 is about 28 inches tall. If you want a little more height than stock go with the 225/70. I think the 235/70 would be excessively tall and would look a little funky, though it would definitely fit in the back. The 235/70 is only a little shorter than what you typically see on a stock s-10 blazer (235/75/15).

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post #3 of 13 (permalink) Old 07-11-2009, 07:34 PM
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I just ordered a set of 255/60 15 for the rear of mine. They are almost identical in height with the 215/75 15's i have on the front. When those wear out, i will go to 215/70 15's on the front which will make the back a hair taller.

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post #4 of 13 (permalink) Old 07-11-2009, 08:10 PM
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See the difference in sizes using the link below.


http://www.miata.net/garage/tirecalc.html

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post #5 of 13 (permalink) Old 07-13-2009, 07:54 AM
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245/60 and 255/60 are both great 15" tire sizes. The 245/60's I have on the front of my Elite are just about identical in height to the 215/70's currently on my Thunderbird. Problem is wheel width. I wouldn't want those tires on anything less than a 7-inch wheel, and the stock T-bird wheels are only 6 inches. 255-width tires should definitely be on a wider wheel. Guess you'll just have to see how it turns out. It might work OK, you'll just have a lot of sidewall bulge.

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post #6 of 13 (permalink) Old 07-13-2009, 12:42 PM
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Sorry to hijack...

But I was curious.

What's the largest tire that will fit on a 7.5W 18" rim? I'm looking to swap my back tires soon.

I want something tall enough to fill up the wheel well a bit more but not so much as to skid on the inside of the wheel well on a bumpy road.

Same with width, the widest tire that will fit on without looking like the tire is about to pop off the rim.

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post #7 of 13 (permalink) Old 07-13-2009, 12:55 PM
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Quote:
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But I was curious.
What's the largest tire that will fit on a 7.5W 18" rim? I'm looking to swap my back tires soon.
A 245/45/18 is the widest recommended size for a 18x7.5 wheel and is roughly the same height as the various stock tires sizes available; slightly less than 27 inches. You can actually use wider tires without a problem, but you should get a wider wheel, such as 18x9. A 275/40/18 is about the same height as that 245/45, but a minimum of a 9-inch wheel is recommended. As sidewalls get smaller so does the tolerance of how wide a wheel you should use.

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post #8 of 13 (permalink) Old 07-13-2009, 09:18 PM
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235/70 is a bit too big to be running everyday. I don't remember what the size was on the back of the car when I bought it, but I'm fairly sure it's about the same OD. I think the front was something like a 225/60 but don't quote me on that.

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post #9 of 13 (permalink) Old 07-14-2009, 06:53 AM
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i run 215/70 r15 up front and 275/60 r 15 out back on my bird
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post #10 of 13 (permalink) Old 07-14-2009, 11:41 PM Thread Starter
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I went with the 235/60/15 cooper cobras and I really like the way it looks.

The tires on the front were in horrible shape, I got them for 477 and got it align'd for 79 .

I tell yah it's like driving a new car!!
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post #11 of 13 (permalink) Old 08-02-2009, 11:11 PM
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Cool

Cool beans! That's what I have on mine. Cooper Cobra R/W letter tires, 235/60 on the rear, 215/60 up front for a slight rake look. Check out the gallery
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post #12 of 13 (permalink) Old 08-05-2009, 09:32 AM
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Given the choices you listed I'd go with 225/70/15. Beware, changing to a taller tire cut my gas a good bit for just 'city/town' driving but was still ok for 'open highway/trips'.

I ran 215/75/15 BFG's on mine without problem; 225/70 is almost the same height.

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post #13 of 13 (permalink) Old 08-05-2009, 09:36 AM
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Quote:
Originally Posted by Stocker View Post

235/70 is a bit too big to be running everyday. I don't remember what the size was on the back of the car when I bought it, but I'm fairly sure it's about the same OD. I think the front was something like a 225/60 but don't quote me on that.
Jezz that bird looks like a 4x4

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