Same topic , but in reference to a small block Chevy
http://www.idavette.net/hib/camcon.htm
BEFORE AFTER
TORQUE HORSEPOWER TORQUE HORSEPOWER
2500 345.6 164.5 352.1 167.6
3000 342.0 195.4 380.7 217.5
3500 334.8 223.1 391.9 261.2
4000 330.8 252.0 397.6 302.8
4500 337.3 289.0 388.0 332.4
5000 303.3 293.5 356.7 339.6
PEAK 346.2@2600 296.7@51000 397.9@3700 340.0@48000