Under ASIO you can only have a one driver active at a time, I would be willing to bet that if you had a PCI card version of the Audiophile that it would work because it is a Delta series PCI card, like the 1010LT, and I think it shares the same driver set, but the Firewire Audiophile has a different driver than the delta series PCI cards, the control panels for the two are very different right?
I would recommend using WDM drivers which the 1010LT has, and should work, but I don't think the FW-Audiophile has WDM, so that's not an option, it only has ASIO, which doesn't work for your needs, and MME, which would most likely cause a rather large jump in latency.
Is there a specific need to run both cards at the same time? the easiest solution would be to use just the Delta 1010LT.