Do you still have the old cap and rotor sitting there. If so throw it on but just for the heck of it check to make sure the wires are on right

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