If it has the bellhousing still just put a hose in the water hole on it and start it up. You could start it dry for just a minute to see but I would use the hose.
You are right. I probably shouldn't have not put a minute. I really meant to just see if it would start.Ayuh,.... Use the hose to either the bell, or the t-stat housin',...
Runnin' it without water will burn up the shutters, Quickly,...