Some thermostat housing had NPT threads in them.
I am just tossing idea's around.
I have lot's of stored (Hoarded) parts for stuff like this.
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The early bird gets the worm,
But the second mouse gets the cheese
85 Chevy K-20
63 Impala (my high school car)
http://67-72chevytrucks.com/vboard/s...Crew Cab Build