Yep I want to think on my emissions tag on the core support it has CR on my 78 too. Stan the W72 with the 6X-4 heads was rate 220 hp.
https://www.78ta.com/Pages/w72.htm
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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
Last edited by Skip Fix; 12-21-2021 at 04:56 PM.
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