How much would be left on the table?

The cam is on the small side... For certain applications and considering the size of the engine...

Don't worry about the cam size now. They change out easy enough.
Now header size! They don't change out as easy and are expensive.
I would run either a tti or (Headman Heeders) @ 1-3/4 at a min. on the street.

Considering the stroke length, I really do not see the engine spinning that high for peak power.
As mentioned before. A dyno would be real helpful.