Early days yet Nick, i've Just flashed the bios to disable boost and loosen memory timings and ran a few benches on air and it seems to clock quite well at stock volts. EK water block going on Saturday and hopefully i'll get somewhere close to your clocks
No guarantees but i've a good feeling about this one.
Well before you start giving it some, go to HWBot - Search for Team MLG - Join team

I have done a guide on submitting scores as well.