Video showing temperature sensing. Sorry for my bad English …
And sorry the water was not hot enough from the beginning …
Great video and Great English ! I am watching with interest. !! Keep the updates and progress coming.
Bob F
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YouTube is new to me and I am neither a good speaker nor cameraman or jaguar specialist 
I will provide updates once I have real results !
Tom can wait, i can think of a few other uses for this , awaiting when you have either prototypes or plans for sale !! Great Job so far BTW !!
Hi Eric !
Well I plan to replace the other relays by simpler circuits using BT555 smart highside switches only. But I do not plan to make money on this. Not that sophisticated 
I can provide PCB and firmware once I’m sure that it works reliably.
Thx, Tom
great , was always tossing around the thought of being able to add a small circ water pump ( like the Bosch ones for intercoolers) that could circ say for 10- min after shut off on my V-12 , that along w fan running may help w heat soak…
Will an idling pump not reduce the flow too much ? I read that some guys install dual electric pumps and drop the mechanical one.
well it’s just been an idea , and haven’t researched the ports and flow much , Michael from Cool Cat could prob chime in. I wouldn’t nesc put the pump direct inline with a existing hose , agreed even w a non pos disp pump you’d affect flow. more of a way to extract from lower rad hose almost like a tee and get cooler water up towards heads. It may required a solenoid shut off to that pump circuit when not in use. additionaly I certainly wouldn’t want to have an over engineered/plumbed system. I do know tho that from a prev post regarding letting cooling fans runs for a period of time , eng off , then restarting for like 45 seconds then shut off gets the cooled water into the eng and heads and you can watch the temp drop. be nice to do that automatically, as for now in my system completely stock only way to do that is with KOE Off which isnt nesc good for the ign system.