Thank you broski's :) @loud, man can only agree, this thing ain't easy at all but was fun torture sesh :)) there is some more in it hopefully just wont be easy to get :D
SA didnt seem to really help if i added over 1.4v from 1.25 being sweetspot for cascade(-100c), will try dropping below 1.2v and see if that gains me anything. Oh low mem clocks including JEDEC havent influenced the CB.
@george FLL was set to ratio OC, @seby Lockups only, no BSOD or shutdown, VCCIN only tried between 1.8 and 2.1v (seemed like it was getting worse with more, though might have been condensation at that point