This has probably been asked before, but are you perhaps considering a similar firmware for L3+? 
Are you ready do a gift the L3+ for BlissZ for this target?(without L3+ at-hand impossible do a FW for it)
What fecell is trying to say is that BlissZ doesn't own an L3+, so it would be very difficult to develop modded firmware for it.
Gen Tarkin of KNC Titan 3rd party firmware fame..said he looked at L3+ it is overclocked already, closed source too boot and
the only gains would be the miner software tweaks (cgmnier is it?), Thus no slack in the system.. I think that was the correct
interpretation of 'geek speak'as such...if my memory is correct...
w/o open source it is damn tough ..now if Bitmain would HELP someone him/you etc...fine
but we know THAT is never gonna happen