From what i understand you can remove the shroud when you get an electric fan because they usually have their own little shroud. And personally i agree with coupe5oh, i talked to my engine builder and they said the cooler the engine is the more power you will make. They said that you want the water cool and the oil hot (not too hot just hot). That way the air goin in stays cooler and the oil isnt as thick. But this may all be different for EFI since mine is a carb.
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