Does A Big CI Stroked SB get to a point where It is hard to keep cool?

mopardude318 said
575/ 580 HP/TQ with my blown 408 in a 1 ton truck, stock radiator with a mechanical clutch fan, properly shrouded. Runs at 190 constant. Truck moves pretty good, would love to see how this would react in a car.

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By the way I totally approve of this! What a great set up!! Here is a picture of my junk.