I have a 70 SS, can some one out there give me some tips on how to tell when the stock rear springs need replaceing. Mine our rust pitted pretty bad. What is the best way to recondition the outside portion of brake drums?

just buy a new hardware kit you can get a set for both sides and it comes with springs and all the hardware that you need. you can pick up a set at any local parts store for around ten bucks.