1. You are correct on all counts. Enhancing the existing alarm system with a flow sensor (or two for the FWC guys) gives you more triggers for an alarm event. When the alarm sounds you must shut the engine down regardless of the cause and start the search. This is the same as the basic alarm system not differentiating between over temp and dangerously low oil pressure.
2. The electric FWC system gives us another way to achieve the same goal. It's particularly useful for us Catalina 30 guys and others who have zero room on the front of the flywheel and zero clearance higher than the #1 spark plug. We can mount the pump remotely.
3. I added the flow sensor and replaced the cam shoe at the same time. Going against good engineering and troubleshooting practice (I had no trouble though) I changed two things simultaneously. It was a given the sensor would add a slight restriction and I was thinking of the M7 shoe even before adding the sensor so what better time? Without measurement to prove it I'm confident the flow benefit of the M7 cam shoe trumped the minor restriction of the sensor resulting in a net increase in raw water flow and a corresponding net reduction in engine operating temperature.
2. The electric FWC system gives us another way to achieve the same goal. It's particularly useful for us Catalina 30 guys and others who have zero room on the front of the flywheel and zero clearance higher than the #1 spark plug. We can mount the pump remotely.
3. I added the flow sensor and replaced the cam shoe at the same time. Going against good engineering and troubleshooting practice (I had no trouble though) I changed two things simultaneously. It was a given the sensor would add a slight restriction and I was thinking of the M7 shoe even before adding the sensor so what better time? Without measurement to prove it I'm confident the flow benefit of the M7 cam shoe trumped the minor restriction of the sensor resulting in a net increase in raw water flow and a corresponding net reduction in engine operating temperature.
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