Hey, found a cheap electric water temp gauge with sensor that I'm going to use in my truck. it has a 1/8" NPT sensor. I guess its way too small, but what size should be used on my 216 engine? So i can buy an adapter.

Cheers!


Chevrolet 3100
Year: 1951
engine: inline 6 217CI
Transmission: Manual 3-Speed.
12Volt.