[quote author=IdahoDoug link=board=2;threadid=5998;start=msg48521#msg48521 date=1065580104]
Oh, gotcha. You're talking sag/droop like compression/extension.
Yeah, I'm not too sure that the coil would have any advantage in this way. Interestingly, when you compress a coil, you are twisting the spring rod in the exact same way as if it were straight. Let it sag and you'll still be limited by the amount of "untwisting" just like a straight torsion type spring.
Somehow, a coil "looks" more supple and competent to my eye, but AFAIK the action is exactly the same - just a packaging issue to decide between the formats (coil vs straight).
IdahoDoug
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Right, if the spring was captured, but it's not. The coils on an 80 are loose. If you disconnect the shocks, the axle will fall as low as the steering linkage and panhard will go. Of course, there are brake lines and axle breathers and other stuff, but you get my point.
There are some rigs out there that capture one end of the spring. It's kind of wild to see them flex right off the springs.
Does the shortbus have the springs cptured on both ends or just one?