Please explain where the two pipes with ? mark goes, as in my case they were interconnected. ,,,,,,,,,,,,,,,disconect them and connect them with heater core inlet and outlet as i shows in pic above ,
There are two connections of heater, where should they go?. ,,,,,,,,,,they go into those pipes which you mention that they are interconnect
There are two connections on the metal pipe fixed in the water pump. Small one connects with the throttle body of the carb the other one connects with?,,,,,,,,,,,,,,,,,,,,,other one goes in the carb , at back side near the mixture ,