Jc , i agree. i spent average money , to do it right, once.....before that it was usually just problem solving carb/ignitions after cam swaps and header installations.
magnus thats how im used to seeing em.
here is my 440 crysler 9.43:1 forged, iron heads, stage I ported / matched/ dyno-proved
i believe on a chevy too you can plug the heater hoses. water pump to intake feeds the heads so you may need that one. im pretty sure you can delete/plug most domestic v8 heater hose ports, without a U.