do yourself a favor and lead the joints,keep body filler to a minimum, Eastwood.com has plenty of suppliies to accomplish this,....as far as paint prep, you'll get 12 answers to that one question,...but I'll recommend what I prefer, strip the car to bare metal, etch-prime with Dupont VARI-PRIME, I would double coat it, do not sand, then coat with Dupont 2K ureahane primer, block sand, recoat, block until straight, paint......