Those old 750 lift 332 duration big block cams we ran 40 years ago had some crazy lobes. I still have two of them on my shelf. We didn’t run half the spring pressure guys are running today.

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