the wiper motor can be found at your local auto parts store, just ask for a '72 Elcamino. Get an air conditioning unit someone dumped from a '72 Elky or Chevelle, it will bolt in you just got to make shure you got everything, from the evaporator to the pump to the controls, also Vintage air makes kits that will fit. If you want comfort, you might want to keep the bench seat it has, and ya can still have a floor shifter. Door panals are available reproduction, from comapny's like classic industries and NPD.