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I know the long tube Galaxie cast iron headers will not clear. I have a set on my '64 Galaxie and I kinda mocked them up to compare. They would run into the crossmember under the bellhousing.
Shorties? Not sure actually. They might? The factory cast irons would get pricey. I know the long tube goes north of $500 for a pair of decent ones.
Something like Sanderson shorties? I know I have seen mention of them before, but have no real first hand knowledge.