That would be an excellent cam for your set-up...though I'd be inclined to go with a compXE 268 if I didn't have headers (you say if you do or don't). But definitely if you're running headers, go with that cam.

1979 Dodge Lil' Red Express - 360 rwhp, 13.2 @ 103mph
1968 Coronet: 318, 2.76, 15.2 @ 92mph! (SOLD)
1976 Valiant: 360, 3.90, 12.90 @ 106 (SOLD)
1989 Shelby CSX #500/500