Are they one in front of the other? I've always thought a multi-pass radiator system would be a good idea on turbo Z's since they have so little underhood room (would be good on an NA too if they had overheating issues). In theory it should be about as effective as one multi-core radiator (maybe more so), possibly cost less too. This guy sounds pretty innovative with his car. More power to him...got my interest
-------------------------------------------------------------------------------------- "Let's make like a baby and Head Out" - Jimmy "No bastard ever won a war by dying for his country. He won it by making the other poor dumb bastard die for his country..." - General George Patton "Funk you very much" - George Clinton  
 
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