getting your springs rearched is good but i would not do the add a liefs becouse of the ride.and you are wrong about the shackles.you need the shackles for the front axle of a 85 or older truck.i have done this i realy like it.

87 dodge power ram 50,35" tires,5 1/2" total lift,4.6 gears,lockers front and rear,Rancho RS5000's,custom front bumper,custom rock sliders,cct extended diff breathers,75 amp alt(40 amp stock),thorely header,K&N,wheeled hard...