See my Cave, Coolant Fill may help... But "Overheating" after a few seconds to minutes maybe a bad Radiator Caps to a "blown" head casket or crack head.
Older dukes had weak head bolts and bolt between 2 and 3 cyl on exhaust side is known to have problems or even break.
------------------ Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should. (Jurassic Park)
