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Wheel fitment question

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Old May 13, 2011 | 07:51 PM
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From: Hamilton NJ
Default Wheel fitment question

I already read the FAQ about the wheel offsets but I am not familiar with my 86 yet and I apologize since I am sure this is gone over frequently.

I am interested in these wheels locally but I am not sure if they are going to rub on my car. Pic is clickable


It looks like the wheel will move in about 1/2" and from the FAQ it looks like the 88-96 cars run something really close to the same offset of this wheel. Will this wheel rub bad on an 86? Car is all stock, not lowered.


Thanks for reading/input
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Old May 13, 2011 | 10:33 PM
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Your early ( 84 - 87 ) C4 has 38 mm offset ; late has 56 mm.
The ones listed as 40mm offset would be closet to required fitment

Last edited by vetteoz; May 13, 2011 at 10:35 PM.
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Old May 13, 2011 | 10:44 PM
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I should have specified, I would be buying the 17x8.5 with the +49 offset used from someone locally
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Old May 14, 2011 | 09:23 AM
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With the specs you describe, the outer edge of the wheel will sit probably about 1" further inward compared to a stock 16x9.5" wheel. The wheel at 8 1/2" wide is an inch narrower than a stock 9 1/2" wide wheel and the 12mm difference in offset will add to the overall difference.

For tires, the 8 1/2" rim width will limit you to no more than a 275/40-17 tire. This tire size is very close to the diameter of the stock 255/50-16 so the speedometer reading will be very close. Make sure the wheel bolt pattern is 5x120.6 mm or 5 on 4 3/4" (typical GM 5 lug bolt pattern). Do a test fit if you can before handing over the cash.
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