I saw a ctd for sale today, 95 SLT Laramie, 3500 2wd, standard cab, loaded, stick, 116k, 2-tone&straight, chrome wheels,good rubber, 1 60yr. old owner, 4k, comes w/ahellava rattle-knock in timing cover, has owner spooked, possible dowel pin adrift? whattayathink? should I or pass? bothersome that I can't give it a shakedown run for steering&trans but I don't want it to grenade w/ me driving.