Why didn't you try several different fretboards first, that would have been easier!
For my 2 cents worth.
I have tried both a Maple & Rosewood necks on the same guitar body (my old Japanese '57 ReIssue) and did hear a difference.
The Maple neck had more Country Twang (for the want of a better word to discribe it) of the 2 and the Rosewood had a more smoother mellow Blues sound to it.
It wasn't a massive difference but the sonic characteristics were there, I would say that it coloured the tone about 10-15% of the guitar.
Out of the 2, I prefer Rosewood necks but more for the feel than the sound.
I can't say about guitars, but debates like this can have a very significant effect on the tone of a forum.
Several guitars in different colors
Things to make them fuzzy
Things to make them louder
orange picks