Darrel Boehler (inventor of the Digitool) swears by coolant pressure
as the best real-time indicator of system trouble.

Yrs,
d

At 07:37 PM 5/10/2016, Scott wrote:
>oh ...interesting idea.
>Read about a guy with a Subaru Engine Converstion ( would apply to stock
>vanagons just fine too )
>that ran a Pressure Guage on his dash, connected to a coolant hose,
>so he could read in real time , in flight, his cooling system pressure.