'65 Barracuda FS 273 4bbl 10.5 CR on pump gas in CA

Danville Ca; elevation ~350ft.
At 9.68Scr, I wonder if you can run the stock cam @ full timing @WOT.
And if you can't, then, what's the point of the pressure, or the 4bbl.

The Wallace numbers do not look encouraging, at 350 ft.