On Sun, 23 Sep 2007 20:51:41 -0500, "DanG" wrote:

I have used helper springs.
I have used air adjustable shocks.
I have used air bags trapped in a spring.

The very best ever was to take a heavy truck that swayed all over
the road to the local spring specialists. Asked them to beef it
up. They put on the maximum leaf springs for that axle (I think I
remember 15). Sweet running and driving and seemed to be a
smoother ride. That truck had a very long driveshaft, so I
imagine we didn't change the axle angle too much. Just made some
of your shackles for the drag racer at work, he needed a bit more
clearance on the Mickey Thompsons. He was very concerned about
drive shaft angle, although he said slightly high or slightly low
was OK as long as it wasn't straight in when the axle was loaded
up???
Rear shackles will tend to tip the nose up a bit, which will reduce
the angle change a bit.
NOT recommended on a truck though. I'd either have the springs rebult
(beefed up) or install a set of lift blocks.

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