The torsion bars are cranked up on my truck and I know that doesn't help, but what can be done about the ignorant, and sometimes violent, hippity hop that goes on in the front end when I leave the light at boost. My truck is low mileage ,and
MILDLY modified, but this problem really limits what I can do. thanx, crossy

 

Mine did that when the front end had slop.

Did you get it realigned after cranking? What condition are the tires?

 

are you launching in 4x4? if you are boosting and launching in 4x4 its probably not the best, the tie-rods on these things are pretty small and aren't ment to take that abuse

I'd look into some tie-rod sleeves from Merchant automotive...