I was just about to say: go for it, if you have garage space to store an extra transmission and transfer case, but I see you already answered that.

I still have my wrecked bock from when I bought my Disco in my garage, thinking I am going to scrap the block, keep the heads, and maybe sell accessories on EBAY, or keep them as spares. It takes up slighly more space than my son's bike he doesn't use, and far less space than my RX-7 which hasn't run in 5 years...