View Full Version : H2O Sending Unit
Where is the best place to put water temp sending unit to get the most accurate reading?
500BOMBER
09-16-2012, 07:58 PM
Beside the thermostat housing.
dirty white boy
09-16-2012, 11:09 PM
in the head is where youll get best reading what i always herd...
stockcar5
09-17-2012, 10:08 AM
in the head will usually run 10 degrees hotter than the t-stat housing.
dynoman14
09-17-2012, 11:38 AM
While you are at it put in a water pressure gauge so you can tell when you have good temp at the sender but water is starting to drain out of the system. It only takes a couple laps under pressure for a race engine to push out all the water and burn out.
This has saved me 20+ engines over 30 years of racing.
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