Thank you both very much for the replies! well, i suppose it's time to start keeping an eye out for a good updated head. don't imagine i could put a new gasket on the #14 and be go to go? or is it not even worth it because it will probably fail? i refilled the fan clutch with silicone temporarily until i can get a new one with the 606 fan blade. but until then, it fully engages very early so plenty of radiator air flow now. the roar doesn't bother me. what about the coolant flow through the small hose?

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83 300CD- sanden, dual p/f condensers, 160a alternator, ect
91 300TD- 722.6, #22 head, 3.5L IP, w140 manifolds, ect