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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Brakes, Suspension, Wheels and Tires > Tires

Tires Tires

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  #1  
Old 11-04-2006, 05:34 PM
EvilTwin v2 EvilTwin v2 is offline
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Biggest tire without spacers?

I've searched & searched & read & read & haven't found an exact answer. What is the biggest tire that will fit on stock 17" wheels on my TB EXT without wheel spacers.
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  #2  
Old 11-05-2006, 01:30 AM
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I,m curio about this myself as TB needs new treads.
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Old 11-05-2006, 01:39 PM
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255/70/17 is the largest some people are currently running without wheel spacers.
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Old 11-05-2006, 07:16 PM
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I am looking at getting 22's and want to get the largest size tire I can with stock suspension. i have read in past threads that people have used various sizes like 265/65/16 (30.7"), 255/70/17 (31.1"), and 255/75/16 (31.1"). Is it the width of the tires that is limited or is it the height? I have also seen people use tires such as 285/35/22 (29.9) which is wider than all of these but not as tall. So based on this could a 285/40/22 (31.0") work?
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Old 11-05-2006, 07:24 PM
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it should be able to if the rims u get have enough offset on them... I was running 275/45/20s with no problems... there was ALOT room for more rubber, but I didn't wanna lose too much performance...
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Old 11-05-2006, 07:53 PM
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Most of the wheels I have been looking at are something like 22x9.5 with a +15 or +18 offset, but I think that I have also looked at some that were +30 offset if I'm not mistaken. I'm not really sure how all that works though.
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Old 11-05-2006, 08:29 PM
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Quote:
Originally Posted by EvilTwin v2 View Post
I've searched & searched & read & read & haven't found an exact answer. What is the biggest tire that will fit on stock 17" wheels on my TB EXT without wheel spacers.
In stock form, you really dont have but maybe a half an inch in width and height max to play with before you will rub the upper balljoints on the font end. Good rule of thumb, check this handy site: http://www.miata.net/garage/tirecalc.html

Joel
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Old 11-05-2006, 10:27 PM
Air Defender Air Defender is offline
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265/65/27 Will Fit on Stock Wheels

I have Bridgestone Dueler A/T Revos in 265/65/17 on my stock 03' TB Ext 4x4. They fit with no interference issues.
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Old 11-05-2006, 10:39 PM
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Defender, do you think that there would be room for another 20mm of width and 0.3" of height? I believe that both of those numbers would only be half also because only half of the width is on the inside and half of the height is on the top of the axle, is that right?
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Old 11-06-2006, 07:54 AM
EvilTwin v2 EvilTwin v2 is offline
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Quote:
Originally Posted by Air Defender View Post
I have Bridgestone Dueler A/T Revos in 265/65/17 on my stock 03' TB Ext 4x4. They fit with no interference issues.
Thanks. That's exactly what I was looking for.

How do you like those tires? Any pictures of them on it? You wouldn't happen to have a picture of the clearance at the upper balljoint would you?

Thanks again!
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