according to the how to build honda horsepower book...
a del sol made 162hp at 0I, 0E
at -2I,-2E it made 167hp
at -2I, -2E, and +4 Timing it made 172hp
at -4I, -4E, 164hp
+2I, -2E, 159hp
-2I, -2E, 167hp
but thats for a Del sol VTEC so it might be different fo other cars, but its a general idea.