this guy i know has a 1992 240sx the interior is pretty dame clean for a 92 but the outside is beat up he bought it from a kid that thought her blew the engine up i pulled the valve cover off and didnt see any damange to the cams or the timing chain....hes only asking 200 for it i think its a steal but im just worried bout the engine it turns over ans thats about it the plugs and wires look new...not sure what it could be any advice...also if i get it anybody got the stuff that i will need to swap out the POS automatic