Yeah, I think its the short sidewall that causes the problems with the snow chains. I'm a high aspect ratio guy. Actually higher than most here, and applaud you for ditching those 20s for proper wheels.
91 YJ Sahara, 4.0L, AX-15/NP231, D30/D35@3.07
12 Cherokee 4x4,3.7L,42RLE/MP1522, D30Memail@example.com
"Non Vi Sed, Arte"