One distinct advantage of torsion bars, aside from fitting in a limited
vertical or tranverse space, is that if they "sack" a bit they can be
adjusted to compensate for the "sack". The only way to do that with coils
or leaves is spacers, which remove some spring from the spring, or the
cheap : ) alternative new springs.
Unless you want to jack the truck way up to put oversize tires on it to
overload the suspension components torsion bars work just fine.
For rock crawling I'll take a trials bike.
Larry Elliott, '92, 3.9, 4x4, 5 sp'd, LE
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