i don't think you would need to spray that much methanol. I think you would have a hell of a time finding space for 4 nozzles in the lim. in my opinion, if you wanted to do that, you could add a phenolic spacer on top of your intercooler. in all reality, you could tap the blower in the area of the boost bypass valve and do it like I do.
edit for more info:
I recommend emailing devilsown and ask them this question. I spoke with them several years ago, and got some good information.