My buddy just got his 70 cuda painted a few weeks ago in vitamin c orange(7 cotas of orange)(4 coats of clear), anyway he is getting ready to wetsand sand the whole car and wax it...These are the products i have.....#83, wolfgang twins, merz twins,merz glaze, zaino 2 and 5 and 6, poorboys ex-p..What should i use to do his car