Wheel hop

Last week I installed a Spartan locker in my 8.25 (lunchbox locker). When I accelerate hard and with traction I get pretty violent wheel hop, it's even happened in the rain. When I do a brake stand or purposely break the tires loose for a burnout and keep the tires spinning, no problems. No problems before, so I think it's axle twist.

255/60r15 tires, 5 leaf spring packs, OLD old shocks (waiting to do shocks when I do the iso-delete), iso-clamp system still there. The springs are very...

Wheel hop