Mechanical setup

famous bob said

Hey rocco, what is a restriction ring? Never heard of it before !!

Click to expand...

YOu aren't supposed to run a thermostat in an electric pump, however you still need restriction of water flow.

So they sell restriction rings to use in place of a thermostat. They are basically a big washer

Moroso 63440: Water Outlet Restrictor Kit Chevy V6 & V8 | JEGS