I don't know if this will help but I have it saved in my race tech.



https://www.jegs.com/InstallationInstructions/300/312/312-P4876381AB.pdf

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