I have what appears to be an intake manifold for a Champ flat-head six. It has two Zenith Carbarators and two oil-bath air filters. The carbarators are a full 6 1/2 inches tall. What is the history of this item? Can the carbarators be rebuilt or should I look for something to replace them? What do you do about an exhaust manifold? Will this whole thing fit under the hood of a 1959 or 60 Lark? (I do not currently own such a Lark.) Herb Price Burlington IA