1960 Poly 318 Temperature

What's the official word on the temperature these engines are supposed to run at? I've heard everything from 180 to 205, but nothing official. Here's why I ask

I have a 60 Dart, 318 Poly three speed automatic. The water pump was replaced last year. Also last year the heads were off and rebuilt. The water jackets do not seem to be plugged. With the cap off and the motor running there is good flow. I had a three row radiator in it and just this week upgraded to a 26 inch core four row...

1960 Poly 318 Temperature
Author: Kapt