Originally posted by FE3-323
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There's no denying that an aluminum block will dissipate more heat.
it all boils down to preference... (pun intended) I'm running a half sized 2 core aluminum radiator and my fan only runs when I get done thruway driving and am idling in the city. Even then it cycles twice and that's about all it needs. It is also covered partially by the radiator support. A 3 core would probably be better suited for the larger engine application that you are running though.
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