Two Barrel to Four Barrel Upgrade?

I had an "all stock" 318 "EXCEPT FOR" in my Dart for a time, and it was snotty as hell

What was not stock:
Dual exhaust
Ed Intake
Ed AFB
A small cam which turned out to be a bit less than a 340 cam

Impossible to guess what might be the condition of that carb. New? used?

WHERE IS the timing set?

WHAT is the overall condition of the engine? Mileage on engine? Compression? Uses some oil?