Can I use different tire widths on my OEM rims? - Chevy Colorado & GMC Canyon

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Old 06-09-2007, 04:27 PM   #1 (permalink)
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Default Can I use different tire widths on my OEM rims?

Hello,

I have 225/75/15 tires right now, will 235/75/15 fit on these rims? Also :) ... i'm looking at Z71 rims (i think they come with 265/75/15) ---> will 235s fit on these? or will be too narrow....

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Old 06-09-2007, 04:58 PM   #2 (permalink)
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235s will fit on either wheel without any problems. But if you're going to upgrade tires, AND, get Z71 rims, why not get the tire in a bigger size too? 245s or even the 265s.
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Old 06-09-2007, 05:01 PM   #3 (permalink)
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Quote:
Originally Posted by Danny45
235s will fit on either wheel without any problems. But if you're going to upgrade tires, AND, get Z71 rims, why not get the tire in a bigger size too? 245s or even the 265s.
If you go to a much larger tire from 225 to 265's, I think you may have to get your speedometer adjusted.
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Old 06-09-2007, 05:11 PM   #4 (permalink)
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Quote:
Originally Posted by jetpilot
Quote:
Originally Posted by Danny45
235s will fit on either wheel without any problems. But if you're going to upgrade tires, AND, get Z71 rims, why not get the tire in a bigger size too? 245s or even the 265s.
If you go to a much larger tire from 225 to 265's, I think you may have to get your speedometer adjusted.
If he can find some place to do it. I'm not sure the tuners will take care of that. And many dealers won't mess with it either since the model didn't come with that size, even though they offer a model with that size tire.
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Old 06-09-2007, 07:48 PM   #5 (permalink)
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thanks guys, i'm not going to do anything "extreme" will try to get tires as close to the "native" rim width as possible...it's just a matter of availability (and price)...as for software adjustment...it shouldn't be that bad, with 10-20 mm difference, right?... few % correction to the actual speed / distance traveled reading ...
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Old 06-11-2007, 02:50 AM   #6 (permalink)
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I have a 2005 Z85. When I bought it I had the dealer put on 265/75/15's on the stock rims. They are goodyear wranglers. The dealer had to readjust the speedometer. If they didn't do it I wasn't going to buy the truck. They did it.
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Old 06-11-2007, 04:02 AM   #7 (permalink)
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Default Re: Can I use different tire widths on my OEM rims?

Quote:
Originally Posted by jot-23
Hello,

I have 225/75/15 tires right now, will 235/75/15 fit on these rims? Also :) ... i'm looking at Z71 rims (i think they come with 265/75/15) ---> will 235s fit on these? or will be too narrow....

Thanks
That's exactly what I did when I ditched the generals. 235/75/15's fit very well on the Z85 wheels, in fact, the Z85 4x4 comes with 235's on those same wheels. They only make a couple mph difference on the speedo at 70. They are only about an inch taller.

The Z71 wheels are a half inch wider (6.5 inches) than the Z85 wheels, so you could put 235's on them instead of the stock 265's.
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Old 06-11-2007, 09:37 AM   #8 (permalink)
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Z85 alloys are 6.5"
Z71 alloys are 7"

you can find out what tires will fit by those numbers. each tire has a recommended rim width range.

and the width wont effect the speedo, just the height. If you want it done, someone with hptuners or the dealer can do it for you.
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Old 06-11-2007, 09:43 AM   #9 (permalink)
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I stand corrected. I was thinking the Z85 wheels were 6.0 inches wide, when they are actually 6.5.
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Old 06-11-2007, 10:07 AM   #10 (permalink)
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I am going to try and post pics, I apologize if this doesn't work, I am a noob. This is what the 265/75/15's look like on the Z85 rims.





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