I used an aluminum block tapped three times to Tee one into the output to the cooler. Gives you an idea of how hot stuff is getting. Same theory of getting oil pressure after your heads and coolant temps at the cylinders.
My past experience ive used the output line before the cooler.
Basically what that last rv screenshot post was talking about is what i was told a while back.
Those temps get scary lol.
Only issue i ran into was the guage (electric sender) not reading because its not grounded being inline with a rubber hose.
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