My 78 still has a massaged Shaker base with a T2. Tight but OK. Has run 10.90s with 2 different 455 with it and only a slight wedge spacer to get the angle an the Shaker perfect. Both motors used stock 455 cranks, but aftermarket rods and pistons.
It depends on if you have D port headers already. I have seen some guys make good power with D port KRE heads but I think a lot more work to get the same flow as the round port E heads. 2" headers a little easier on the round port motors.
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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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