you could , but don't see who would recommend it . your putting a lot at risk if your not well schooled in v-bios mods and flashing
the reason there non oc ed cards and factory oc'ed cards is that the parts used to build the cards are tested and binnned to guarantee they will hold any overclocking from the factory
its not just they put any old bios on a card and theres that reason why - of course you may have one of them good luck of the draw cards and may work but I would not risk it
best use your own cards bios and mod it before you put a different bios to it and find you bricked the card
[I don't recommend anything I say just pointing things out ] the rest is all YOUR OWN RISK
just to add these cards has the new NVidia gpu boost 3.0 so its a bit more tricky to mod
then this could hamper things as well ?
''There is currently a bug with AMD (motherboards) that may not allow the flash to complete properly. We are looking into it.''
http://forums.evga.com/EVGA-GeForce-GTX-1060-BIOS-Update-Single-Fan-Models-Only-m2520978.aspx
dude it just aint worth it maybe after the cards warrantee is up and you were looking to replace it then maybe play around with all that ?