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Tire Size...Will This work??

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Old Oct 28, 2016 | 10:31 PM
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Default Tire Size...Will This work??

I have a 86 coupe with 18 x 9.5 wheels all around. I have 275/40 on the car now. There is a tire I want to get but; it only comes in a 285/40 or wider. Do you think the 285 will fit without rubbing? I know its only 10mm wider but; it might be enough to rub?

thanks for any advice.....
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Old Oct 28, 2016 | 10:39 PM
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I think you'll be fine. But hopefully others with pre 88's will chime in
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Old Oct 28, 2016 | 11:44 PM
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I have 315/35/17 on the rear and 275/40/17 up front of my 88.
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Old Oct 29, 2016 | 02:54 AM
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Originally Posted by rrt898
I have a 86 coupe with 18 x 9.5 wheels all around. I have 275/40 on the car now. There is a tire I want to get but; it only comes in a 285/40 or wider. Do you think the 285 will fit without rubbing? I know its only 10mm wider but; it might be enough to rub?

thanks for any advice.....
That's a quite 'tall' tire but actually the 275 - 18 is also. What have you done for speedometer correction? What offset wheels are yours? You're using adapters or direct fit? If adapters - how thick?
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Old Oct 29, 2016 | 10:53 AM
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Originally Posted by WVZR-1
That's a quite 'tall' tire but actually the 275 - 18 is also. What have you done for speedometer correction? What offset wheels are yours? You're using adapters or direct fit? If adapters - how thick?
No adapters or spacers. The rims have a 40mm offset. The transmission gears were changed with a rebuild. The diameter of a stock rim is almost the same as my set up with a 40 series tire. More rim, less tire.
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Old Oct 29, 2016 | 11:00 AM
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Originally Posted by rrt898
No adapters or spacers. The rims have a 40mm offset. The transmission gears were changed with a rebuild. The diameter of a stock rim is almost the same as my set up with a 40 series tire. More rim, less tire.
It would be safe to assume with a 40mm offset you should have no issues - the more rim/less tire ain't quite right but I get it. If you're happy with speedo with 275/18 and the 285/18 is the same profile you should be good.
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Old Oct 30, 2016 | 06:49 PM
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Originally Posted by jdcfrank
I have 315/35/17 on the rear and 275/40/17 up front of my 88.
I am assuming you have an 11" rear wheel?
Thanks
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Old Oct 30, 2016 | 07:22 PM
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Originally Posted by rrt898
I am assuming you have an 11" rear wheel?
Thanks
Yes.
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