Still bubbling out overflow after changing water pump, thermostat, radiator,hoses??

Originalowner73 340duster said
Ya only little I spilled out..but sucked the whole thing down after started cooling

Originalowner73 340duster said
When out and chked again and it sucked the overflow dry..am I missing something here..... something obvious and dumb..am I brain farting!!?!?

No brian farting. The system has to much coolent in it. The cap holds 16lbs. of pressure and the coolant finds a way out. Through the cap, down the tube, into the resivor that is designed to catch the overflow. Once the engine and coolant cool down, it condenses creating a vacuum inside the engine which pulls the extra coolent in the tank back in.
To me, it sounds like it is working as intended.

FWIW, to much timing and/or a lean running carb will introduce more heat than normal and cause an issue. So... how is your timing? Good cap, rotor, coil, wires and plugs? Carb running to lean/rich? Old fuel?

Originalowner73 340duster said
Yes..I used prestone 50/50..

Expensive but correctly mixed with heavy water, a detail missed or not cared about.