Depends on the dyno- I'd guess low 400s as I would bet track mph in the car would show. Generous dyno 450-470. Neither guess with the 650 on it, especially fitted to a stock intake! 5500-5700 peak HP.
I'd think about a single pattern cam or trying more ratio rockers on the intake if you can with that head flow ratio. E/I 94%! At least a little more lift on the intake.
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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 [email protected]
1964 Impala SS 409/470ci 600 HP stroker project
1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs
1964 Corvette Coupe 327 4 speed
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