Reply to "18x12 narrow body backspace?"

davidnunnMember

I previously had 17"x11"'s with 6.5" BS. The fit was perfect with a 335/35-17 tire. When I went to 18"x12.5", I simply split the difference and added 3/4" to the inside and the outside. The tread of the tire stayed in the same relative position but the sidewall is now straight with the wider wheels. I'm running 335/30-18 Hoosier tires. As I wrote previously, under full suspension compression, I was getting a little bit of rubbing on the upper rear frame rail, due to too much suspension travel, so I added a second bump rubber to my shock absorbers. It didn't affect the ride at all and I now have no rubbing problems anywhere (no, the muffler hangers aren't even close). Apparently, Pantera Performance in Colorado supplies all of their Koni shock packages with double bump rubbers.

11/14/093:45 PM

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