Re: looking to fit 285/70/17 on rc bb
you will be VERY close to that bolt, even with the spacers.
As far as the pinch weld goes.... i had to do mine and i have 265/70/17's with 1.25" spacers and the rubbing i had a full lock was horrendous. Now i clear the PW by 1/4-1/2".
2015 Altitude - Billet Silver
Tow PKG + Park Sense + Backup Camera + Navigation + Alpine 9 Speaker
Overland Black Mesh, SRT Taillight Bezels, Gorilla Black Lugs, Sylvania Ultra H11's
Mopar Slush mats + Cargo, Mopar 4" Chrome tips, 1.25" Bora Spacers, 15% Tint