You can also leave the radiator cap off and run the engine till it gets up to temp, or at least above the thermostat value, according to your gauge. I'd think that you should be able to see the point where water begins to really flow when the thermostat opens up. That would also give you an idea how much water the pump is moving.
__________________
Thad
1958 Chieftain Safari (370,4 spd, 9 passenger) Daily Driver
1966 Bonneville Wagon (Factory 421,3x2,4spd, 9 passenger) On the road!!
|