why is is that i have massive wheelhop. when i take off the tires will spin a little then starting wheel hopping bad and the car shakes..... i have the following.......ride side airbag at 20psi, new pep boy shocks, 275/50 nitto drag radials, new springs that were in the car when i bought i was told, a longer snubber taht is all mashed up in half since the rear is bouncing off it. everyting else is the same bushing are old and unboxed control arms? any ideas on whre to look? thanks