In Reply to: 8N Radiator Recomendation posted by Rick on June 20, 2022 at 08:50:01:
Strongly recommend repairing or re-coring your OEM radiator rather than any aftermarket replacement.
Yes, you need a thermostat in the upper radiator hose. Secure in place with hose clamp.
Replace hoses, mounting pads, and hood patch.
4 psig cap is sufficient.