Quote:
Originally Posted by chiefbigb
By the time you buy all new stuff and do them right with the cost of port work your right there with new aluminum heads. More modern combustion chamber and loss of nose weight. It's tough not to pull the trigger. I do my own porting and it's not hard to hit 250 at .550 the other 20 is time consuming and things start to get thin in places.
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This! When I built the 455 going in the 81 it came with some well ported 6Xs. Tossing those heavy suckers on the flowbench to compare them to some out of the box Edebrock heads that flowed as good and were WAY lighter made the choice for me.
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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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