Some of you guys get all hung up on "THE PINCH" Its not always the restriction, its just the easiest to see. Each port has 3-4 restrictions and they have to be measured and sized accordingly.

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time