Blueprint 408 cooling system questions.

Okay I’m using the zerex American vehicle formula, it’s orange and it’s pre mixed 50/50. Will a shroud help at higher speeds? I took a heat gun to it, and it reads 203 ish at the thermostat. I filled the radiator up all the Way to the top, and turned on the heater and let it run The gauge does register 180 when I feel the thermostat open.

Before spending a bunch of money, make sure the edges of the radiator are sealed off around the core support forcing the air to go through the radiator rather than around it. Even just a little gap between the radiator and core support can make a huge difference.

May need to fashion some type of weatherstrip to do this. Factory shroud will only help cooling in relation to the fan running. Like the fan itself it will have little impact at highway speeds. It is an absolute necessity for driving around town though.