Well, according to compcams, the next cam up, which is the XE274H, requires 2500 stall. I think for the cam, the biggest I would want to go is the XE268H.

This is their "description" as the biggest compcam for stock converter.
Good for street machines, slightly rough idle, stock converter.

Operating Range: 1600-5800 RPM
Duration Advertised: 268° Intake / 280° Exhaust
Duration @ .050'' Lift: 224° Intake / 230° Exhaust
Valve Lift w/1.7 Rockers: .515'' Intake / .520'' Exhaust
Lobe Separation Angle: 110°