Okay, the snowflakes are zero offset wheels IIRC. The stock 99 Trooper wheels have more backspacing and would not be rubbing with 285/75s.
As far as hammers, yeah I use a 3 lb, but whatever works. You'll have to remove your liner to get at the standing seam, probably have to cut your liner too.
Or just live with it, and let 'em self-clearance
95 Trooper LS - 4" lift, 35" tires, 5.38 gears, ARB lockers
Indy4x Revolution 3.07:1 low range gears, Indy4x HD tie rods, homemade sway bar disconnects, Calmini HD sway bars, Darlington diff drop, OME 929 coil springs + 1" poly spacers and 1" body lift, Indy4x HD torsion bars, Indy4x HD rear axle links, Indy4x Kevlar brake lines, ARB bullbar, custom rear bumper with swing-out dual jerry can carrier, rock sliders, Sears Platinum Group 31 battery, ARB mini-compressor, Indy4x kevlar air lines, Warn M8000 winch, Blue Sea 6006 winch cutoff switch, Yaesu FT-1900R 2-meter ham radio, Larsen MHW-150C 1/2 wave antenna, Cobra 18WXST CB radio, Firestik II CB antenna, IPF driving lights, generic fog lights, two (2) Blue Sea auxiliary fuse panels, sleeping platform, and outofrshell Dave's custom 1" shifter extension. (I actually typed this list as a joke but people seem to like it.)