Torker II is probably not going to cover 340 cfm ports without welding at the top. I assume the Northwind will but never personally seen one. First picture is a Torker II no weld and a 1233 gasket. Trimming to the blue at the top is as far as it can go. Second two show added weld.
Mt 500" has a 268/272 @ 0.050 on a 112 LS and has a rowdy idle but not too bad street driven, a bigger motor it would be milder.
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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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