Most issues I have seen with crazy tail sag come from improper trailer balance with way too much tongue weight. I used to sell boats and saw this all the time with boats on improper trailers and such. Just an idea.
01 TJ Sahara 4.0 Auto
35s, 4.56s, D35/44, Locked, Lifted,
Dented, Scratched, Broke Windshield,
Warn M8000, 12voltguy, KC's
2 much crap/mods to list