Back in the 70's and early 80's the R286 cam (750 lift) was VERY popular. Most of use ran them on .030 over 440 engine with TRW pistons, stock rods, and stock cranks. My Duster ran a 9.81 with one and I still have 3 of them sitting on a shelf.

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