listed out the changes now for you. 
its literally just custom voltage and slowing the fans so far
its literally just custom voltage and slowing the fans so far
I have not tried this your FW, could your FW reboot if there is a "xxxx" error on the board? or MH / S (RT) reduced? If so, then too good.
If you develop it well, even if you charge a fee (just get one, I'm willing to support it). Do not like Blissz, charge life d3, I hate it