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18s All Around?

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Old Nov 25, 2003 | 11:52 AM
  #1  
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From: King George Va
Default 18s All Around?

Thinking about going to 18s x 9.5 front & rear (same width & profile) so the tires can be rotated? Any thoughts on this approach? Thanks
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Old Nov 25, 2003 | 12:13 PM
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Default Re: 18s All Around? (Jesse East)

Lots of folks run this set up including myself. No probs at all

P.S. welcome to the Forum


[Modified by Monster231, 5:13 PM 11/25/2003]
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Old Nov 25, 2003 | 01:28 PM
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Default Re: 18s All Around? (Jesse East)

What wheels are you looking for? I have (4) 18x9.5's for sale in Chrome Z06 wheels with tires! I think the set-up would work!:cheers:


[Modified by Green Goblin, 1:33 PM 11/25/2003]


[Modified by Green Goblin, 1:36 PM 11/25/2003]
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Old Nov 25, 2003 | 02:08 PM
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Default Re: 18s All Around? (Green Goblin)

How much?
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Old Nov 25, 2003 | 03:36 PM
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Default Re: 18s All Around? (01Redzo6)

I am running 18's all the way around. I use 9.5's front and 10.5's rear though.
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Old Nov 25, 2003 | 03:43 PM
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Default Re: 18s All Around? (1 BAD C5)

:iagree: No issues same as above
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Old Nov 25, 2003 | 03:53 PM
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Default Re: 18s All Around? (01Redzo6)

$1500 I have the 4 with only 1500 miles on them! :D
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Old Nov 25, 2003 | 05:27 PM
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Default Re: 18s All Around? (Jesse East)

Welcome to the Forum. Sounds like a good plan :thumbs:
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Old Nov 25, 2003 | 05:47 PM
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Default Re: 18s All Around? (Jesse East)

You can do 18's all around, but you cannot get tire sizes that are the same for front and rear because there is almost an inch difference in overall diameter between front and rear tires stock. You need to keep the ratio the same or close to keep from having ABS/Traction Control and AH issues. Most guys go for 18's all around for looks and having a slightly shorter sidewall in front will give you better steering response. If you are going to go with 18's all around I would recommend upgrading to 18/11 rear and 18/9.5 or 10 front. Put on 295/35/s in the rear and 265/35's up front and you won't have any AH or Trac-control/ABS issues.

Good luck,
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Old Nov 25, 2003 | 05:57 PM
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Default Re: 18s All Around? (SAXN8R)

Here's an idea that I did to my 00 Coupe. Put the rear 9.5 rims on the front with 265/35/18's and bought 2 new 18x10.5 same style rims for the rear and put on 295/35's. Very nice looks and ride,
Fred K.
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Old Nov 26, 2003 | 01:59 PM
  #11  
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From: King George Va
Default Re: 18s All Around? (SAXN8R)

Corey,

You bring up a good point about different overall tire diameters (front is one inch less than rear on the stock layout). My intent was to obtain the capability of rotating the tires front to rear. Unless they are the same geometry, you would not want to rotate them. This would keep me from my original intent. Wonder what GM says about running with the same size tires front & rear?

Thanks,

Jesse
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Old Nov 26, 2003 | 02:04 PM
  #12  
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From: King George Va
Default Re: 18s All Around? (Monster231)

Monster231,

Are you running the same diameters front & rear? Read the post from Corey who says there could be problems with the ABS if the size ratio is different from stock. Stock setup shows rears to be one inch taller than fronts (26.66 inches vs 25.68 inches).

Thanks,

Jesse
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Old Nov 26, 2003 | 02:05 PM
  #13  
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Default Re: 18s All Around? (Jesse East)

I have 18's on all 4 corners also. Just be aware of going real wide on the front makes the car wander a bit more on uneven roads. :cheers: :thumbs:
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Old Nov 26, 2003 | 02:11 PM
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Default Re: 18s All Around? (Jesse East)

If you ran the same diameter tire front and rear you would likely have code problems. More importantly the car would look bad. The fronts would look too big and the rears would look too small. It would not be subtle. 18's all around are not a problem at all. Just not for what you are trying to attain.
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