in my readings a few folks have been asking about headers for 264-322 motors. i have 5the same question. while cruising u-tube i ran across a segiment about a built on a 55 century with supposibly a 322 in it and it has sanderson block huggers on it. i know that 264 - 322 have round exhaust ports , while the 364 - 425 have rectangular ports so here is the question : will 401-425 exhaust manifolds from a 401 - 425 bolt up to a 264- 322 ? here is the link for the project on u-tube i saw and give me an opinion?
http://www.youtube.com/watch?v=W89dEX8s1tk
Well I did it my self once but with a jeep engine.... what I did was take the dremel tool and make the round holes square.... to fit the headers....just ground out some corners on each port....
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