275's will fit on 15X7's but 15X8's are preferred size.
From BF Goodrich pamphlet;
Tire size Rim width range Measuring rim size Thread width
235/70-15 6.0-8.5 ins 7.0 ins 7.0 ins
255/60-15 6.5-10.0 7.5 8.2
275/60-15 7.0-11.0 8.0 8.9
Dr. Pat
----------
>From: "Bernd D. Ratsch" <bernd@texas.net>
>To: dakota-truck@buffnet.net
>Subject: Re: DML: Re: Traction
>Date: Mon, Apr 12, 1999, 4:24 PM
>
>
> I don't know how you're gonna fit 275's on 15x7's...Shoehorn?? Sledgehammer??
>
> Bernd D. Ratsch
>
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