yes, better to do it at least partially loaded to get close to your real "working" weight.
Also, i see so many folks taking about steering centering devices and sway bar modifications on these leaf spring chassis, but I think the missing piece of the puzzle....
likely should be the first piece.... well really third, AFTER proper alignment and tire pressures
is the track bar.
I'm convinced after my research that while these steering centering devices and perhaps even sway bars will help, it's more like a band aid fixing symptoms rather than the disease.
and that disease being the leaf spring system...and the fix being a track bar, aka panhard rod.
The steering device and the sway bars address other problems that many rigs might also have, but I suspect these are secondary to the tracking problem....and so their benefits are in a way "secondary" to what they are doing, hence the band aid....
Granted....this idea is almost anecdotal (except that it's based on research and gut feel, rather than experience).... so in the end it's just an opinion
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