So if the consensus is that quality of these castings are no worse than factory castings, then there's no reason not consider one. So then the question is do they perform better than a factory iron intake as cast, or would they need to be ported for any performance benefit?
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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear
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