Sounds like a cool project! Maybe consider making your own 'Modded-out Futurebit Apollo' thread once it's finished (or at least work-in-progress status) somewhere on here.
I started a new thread without direct mentioning of the Apollo hardware.
So if anyone is interested, follow me here: Worst case ASIC heat scenario
https://bitcointalk.org/index.php?topic=5424883.new#new