Originally Posted by kiloil
Just out of curiosity why does the engine max out at 7800RPM instead of 8400RPM like stock E92? Could you raise the stroker to 8400 without major internal changes?
The redline on a stroker motor is still 8400rpm, just like the stock motor, but it makes peak power at a lower rpm than stock. I have the 4.6L RDSport motor in my car.