[bubbagump]

I can't offer cam or any other recommendations. First I would like to congratulate you on securing possibly one of the rarest intake manifold ever made for a SBF. Did you acquire the special distributor too. Or you could go distributorless.
I was interested in these a while back. Then I started running searches on the Smokey Yunick version for a SBC. The low speed torque is nonexistant. Power doesn't come on 'til 4000 r's. They are considered to be unstreetable.
So, I guess you could match the r's too that with the camshaft, say a Z303 and try that.
GL.