X-Mozilla-Keys:                                                                                 
JMLBlues@aol.com wrote:

One other thought on measuring pump flow:  The only way to accurately measure
pump flow in operation is to use a blocked open thermostat. The standard
thermostat modulates the flow between the radiator and an internal bypass.
Full coolant flow through the radiator will occur only when the bypass is
fully closed and the radiator flow orifice is fully open.

Jon Lauter
Rotary Power Marine Corporation
www.rotarymarine.com

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