My car is getting hot. Not over heating but hot. I ran compression test and it ran 120 across all 4. brand new water pump and thermostat. WTF. I only have a single core half size single radiator. I am getting a full size koyo. What else could it be? 15psi of boost and it only starts doing it after I run the car for a bit. it takes like 45 minutes.

 

120 is ridiculously low dood. You should be up around 185-190.
How was the compression test done? Throttle open or closed?
-Rik