I have a baja bug 091 ,ecotec ,rear seat ,3" longer arms stock width ,car is heavy.14 " coil over in rear fox shocks with 1400 250 400&1400 250 450 springs rear springs are a little soft due to of preload to get 2" of sag.i ve been driving at glamis but back of car slams the ground often and hard.was thinking of putting internal fox bypasses on it but would have to redo cage also thought about bumpstops but some say it's dumb any ideas ? Bigger springs revalve shocks again ? Car works in desert any ideas