Blueprint 408 cooling system questions.

If there’s a way you can ascertain as to how many vanes it has you should because if it’s 6 you need to get an 8 vane in there, it’ll move the water a bit better, and you should have a little lower running temps. I’ve dealt with similar to what you describe, as well as others who have run a Milodon hi volume pump (but it was 6 vanes) where swapping to an 8 vane cured things. Hope you get it sorted regardless:thumbsup:
If it runs hot by summer Ill pull that water pump off, and see how many vanes it has. And let you guys know.