Quote:
Originally Posted by Nick M3
You can U box the frame to give the rear axle room to move. I don't see how that would be any different from those bigass spring/shock mounts on the expedition frame. The F-150's frame design just looks like the easiest way to build it given the nature of a pickup.
Dunno.
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I mean, I'm just telling you what I've read. Maybe Ford is lying about why it went to IRS in the Expedition, but that was one of their explanations.
