I have a red 2nd generation Nano and an almost perfect condition black 1st generation nano, and after comparing them for a while, i really like the 1st gen scrollwheel a lot more. Is it possible to transplant a 1st gen wheel into a 2nd gen nano?

(terrible rendition of the outcome attached)
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MacBook Pro Intel Core Duo 2.0ghz, 1gb ram
Dell 228WPF 22" monitor
Mybook Premium 320gb
iPod Nano 4gb (red)
Wacom Intuos3 6x11