The "one pipe coming through with 2 pipes coming out the side" is the heater control valve. The supply hose from the thermostat area goes in either one. Run a hose from the other to either of the heater core pipes. Then run another hose from the other heater core pipe to the water pump connection.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.