A Few Questions (PICS)

[KillTheApex]

Found this plug today while working on the 240. Can't find it's mate. Anybody know what the hell it is?



Here is a engine shot in case anyone sees anything else odd.



I was also told this radiator is not the correct radiator. I have a 1991 240sx with a KA24DE, for the record.



I also noticed this little fella wasn't capped off. Any thoughts?



Sorry if these end up being n00bish questions. Thanks.

[Wc240]

that is not the right radiator. your also missing the fan shroud, wich will probably raise your temps when it gets hot out. that is an a/c service port that isnt capped off. doesnt really need to be, just to keep out dirt/debris. as for the plug, just look is really all i can say.

[KillTheApex]

Thanks. Should I replace that radiator?

I could not find the mate for that plug at all. Guess I'll continue the search tomorrow.

I'm making a 4,500 mile trip in my 240 in September and I'm trying to get it as prepared as I can.