Anyone on here who has constructive thoughts on this power curve, im interested to hear how you solved/diagnosed the problem. As you can see it drives as it should up to 5500rpm, then makes 120rwkw by 7000rpm. Dyno run goes to 7600rpm. cam timing correct 3" straight exhaust 3" metal intake ignition timing correct, and checked maintaining its set 20degrees at 6500rpm splitfire coilpacks, no misfire e85 sucrogen AFRs been tested between 10:1 and 12:1, using two widebands, no change Boost tested between 16 psi and 22psi, no change No boost leaks No blow by Compression is even two dynos, 3 tuners, remapped from scratch 3 times using power fc and nistune water temp and oil temp are normal