Probably
The is no way to know with absolute certainty without actually testing it, but the answer would be "probably". There is always the slight chance that there is some quirk in the setup of the 100 octane map that could bite you so, I would suggest you go slowly.
If I was in your shoes I'd set up the WI on the 93 map and get everything sorted out so you know its working properly.
Put some 100 octane in the tank so your actual fuel blend is say 95 - 96 octane and then run the 100 octane map with the WI, while watching very closely for knock. (It would be best to have a knock detector like a knock link that could give you real time information) You could also take the time to check your spark plugs for signs of detonation. Once your statisfied your safe with the mid 90's octane blend then gradually dial back the amount of 100 octane your running. That would protect you if your turn on point for the WI was a little off or something like that.
Just avoid the urge to turn on the WI and flog the daylights out of the engine until you have some time invested in carefully checking things out.
I would be pretty confident that it would work, but would hate to give an unqualified -- " sure no problem" answer and then have you break the engine due to some unforseen issue.
Larry
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