The solid front axle for rock crawling has been proven to be stronger. Also as Ron said, when one tire is forced up it forces the other one down. This does two things: first it helps with traction and second it lifts the truck up away from the rock or obstacle you are climbing. With IFS the wheel tucks in the fender on the one side and limits frame lift. On IFS the axle joint has to work at much tougher angles due to steering and suspension movement. On straight axles the joint only has to deal with turning. When you are rock crawling you are often in tight turning conditions with suspension fully twisted. This combination along with lockers, traction and low gears breaks IFS parts.
Last edited by Throttle Crazy : 11-19-2008 at 03:58 PM.
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