Going through the iron heads you will spend close to new aluminum heads. I was planning on using the ported 6X heads on a 455 they came n but just tossing them on the flow bench and how heavy they were and the out of the box Edelbrock heads flowed more and weighed a lot less they are what went on that motor.
Even with the big chambers adding a stroker crank you can get either dish or mini domes for the CR you want.
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Skip Fix
1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever!
1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand
1965 GTO 4 barrel 3 speed project
2004 GTO Pulse Red stock motor computer tune 13.43@103.4
1964 Impala SS 409/470ci 600 HP stroker project
1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs
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