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Nice job  your right 300cc cross section ain't big especially for that 472ci. I've got a set of SBC heads that have a 338cc port on a 510ci motor. Thanks for posting
Wow what chevy wedge head is that ?
Not trying to take anything away from what Bret's done with those W9's, Awesome job
This is the head on my 510ci SBC
Cast by All Pro Cylinder heads, the floor of the port at the opening is 3 inches to the gasket to give you some perspective.
Peter. Australian Charger, alloy block injected 410in, w9 na 9.03@148 leafs 3000lb
1967 barracuda 605 hemi Stage5 millennium 8.2@170
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