Curious Wheel Spacer Musings

skorr

New Member
Joined
Apr 4, 2021
Messages
7
Location
Bozeman, Montana United States
For my 2004 Rubicon with 12.5 inch wide tires I made the mistake of getting 1 inch wheel spacers only to find out that the front studs were too long to fit. But the same spaces on the rear fit just fine. Huh? I got curious so I measured the front and rear wheelbase widths only to discover the rear was about a half inch wider and the wheel studs stuck out one quarter inch less.

Questions:
  1. How is it that my unmodified factory wheelbase width differs from front to rear? The factory specs say both front and back have a 58.5 inch track.
  2. If I only put 1.25 inch spacers on the front the front wheelbase would be two inches wider than the back and each front wheel would stick out an inch further than the back. Is that okay or just a wild-assed thought?
  3. I have seen Jeeps on the road where the front wheels are NOTICEABLY wider than the back wheels. Is that okay? How does that affect driveability? Safety?
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Thanks in Advance.