help me please!!!

im wondering how much does the 2 1/2in drop spindles actually drop it. im trying to get my c10 as low a possible berfore a b/d. its setting 5 inches off the ground right now with it bagged, with out drop spindles. any input would be appreciated. thanks

you need mcgaughys 3" spindles and a 2.5"-3" Z to lay fully out on the frame.