This may give you a start. I think Thumper posted this up but I'm not sure.

8315350-Holleyorificesizing.jpg
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