Sometimes I think guys overthink some of these jobs. I will be grabbing my long drill bit out of my engine building box and doing two blocks this week. Like I’ve done many times before. Spray drill, spray drill, repeat. Job done.

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