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So where are we rubbing vertically with the wheels turned with 1" taller tires and a 2"+ lift. Not to be a smart ***, but responding to a smart *** response. I think it might be assumed that taller tires means wider tires...not necessarily true?
Brad, my response was not meant as a smart *** response, I just figured that if I painted just enough of a picture for your to think it through, you would remember it longer and have a better appreciation for the geometry involved. Teach a man to fish.... etc.
On Jeep Wranglers, width is a partial factor, but not as significant as diameter. When dealing with diameter, front and rear tires can rub at the top of the wheel wells under full suspension compression if you bumpstops are not properly set, but this is usually not a huge issue. Tires can also rub when the suspension is fully articulated, (one wheel down, the opposite wheel stuff way up into the wheel well). This is a common issue, again can be tuned with bumpstops, but at the expense of travel and articulation. So if you provide wheel spacers, or rims with greater offsets, you can put the rubber out another inch or so and get that much more travel out of your suspension before the tires rub on the top of the wheel wells.
The third common potential rub is at the front wheels, on the inside frame rail or tub. With taller tires, when you turn the front wheels (steering), you can rub on the frame or tub. Compound this with a flexed out, fully articulated condition with one wheel stuffed way up AND turned, you run out of wheel well. Body lifts, spacers, etc... all help reduce this
Exhibit A: Front wheel is stuffed, but not quite rubbing. This truck runs 35"x12" "beefy" tires, with 1.25" spacers, a 4.5" lift, a 1" body lift, and AEV springs and bumpstops carefully tuned to prevent rubbing in just this condition. It can't be stuffed any further, but I had no problems turning or articulating to this extent
Same thing in the rear. Not quite rubbing, maximum stuffage