My blue Duster was built for 6.50 cert but being they are only good for two years instead of three I will have it stickered for 7.50 cert. that will easily cover my ET.

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