Originally Posted by ersin
Some of the power gain is achieved from raising the redline. I wonder how high it is? Max power is at 8600 rpm, so, maybe 8700.
The first order rough calculation (assuming torque is constant) is that the power gained is just the original power times the new redline/old redline. In this case that is only abotu 3-4%. Not much of the total gain but it all helps.