I will qualify this-depends on a generous or stingy dyno!! And to decide which you then need to run it at the track and weigh the vehicle. My RAIV pocket ported and more flow than those 400 zero deck 69cc chambers TRWs UD 231/239 @ 0.050 HFT cleaned up HO intake 73 SD Qjet AND headers-through mufflers only made 385 hp engine dyno not chassis-BUT "ran the numbers" in a 3900lb TA on mph.This is a stingy dyno!
the 455 in my TA now only dynoed 525 hp, based on mph depends on the calculator 550-575!
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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
Last edited by Skip Fix; 08-14-2021 at 09:11 AM.
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