Why didn’t someone didn’t put a standard height suspension and tires so it would be drivable?
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The jack-up is required by the oversized tires combined with turning ability. I see maybe 5” of suspension throw, and that’s not excessive.
Leaving a normal body height would have required cutting out the body and wheel wells. Even then, that would have crowded the oversized engine.
...Compromises.
That body was not made for tires that large.