Pilsner has a noticeable, distinctive grainy aroma, more so than two - row, in my opinion. The more specialty grains and hops you use, the less you 'll perceive the difference, because of the other aromas and flavors. Also, brewing with pilsner produces mord of the precuser to DMS which may be perceived as a cooked corn off-flavor. Boiling for 90 minutes will take care of that.
Sounds like a fun experiment.