Ha! That's a confusing way of putting it!
I guess it's a toss up between hotter air in the engine bay versus coler water cooling the actual engine.... no??
Can't you add a switch in the cabin to turn the radiator ona dn off.... so if you were standing still(eg. waiting in line at the drags), you could turn it on... but still have the option of turning it back to it's 'standard timing of turning it on' ????[/quote]