best thing to remember is the 509 cam loves a high stall conv and low gears but unless you have a great working car or some super wide tires you will probably fry your tires. Sometimes the 484 purple shaft is a better option.

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