I looked at other peoples dyno sheets (since my motor was not tested), and a typical horsepower difference for this type of motor is 75 hp between 5400 rpm and 6300 rpm. That is a lot.
And how much different is the HP between 5400 and 6900? If you're going to even bother adjusting the converter then consider that the consensus here is to stall higher than 6300 for many reasons.
