Thread: cast iron intake

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Originally Posted by hpwdboss1

Pat...Thanks for the repy. You state " the big O" I'm assuming oval port? Are there different size oval port intakes? I have a set of oval port heads we intended to use if possible, so your info works from that standpoint. Never really messed with stock iron, so this is all new to me. Thanks again.
Perry Hanlin

yes the older bbc block heads 781 049 and other have a bigger port the older iron intake was hi rise dual plane big port there was a time you could not give them a way are so heavy