[comptiger5000]

True, in gentle driving, it will probably be fine for a while. However, keep in mind, running in FWD rather than RWD (with the front shaft out) doesn't matter as far as MPG.

However, adding lockable front hubs, or pulling the front axle shafts (I don't remember if you'd have to pull the spider gears to do that) would help more, as you wouldn't be spinning 2 diffs all the time. Pulling 1 driveshaft will help a little around town, due to reduced rotating weight. On the highway, it shouldn't do enough to notice a difference (driveline drag and rolling resistance is unchanged).

And no, those crazy videos on youtube aren't me. Mine's mostly stock, and as most of my friends will attest to, I drive fairly slow (rarely do more than 60 on the highway), and DWB like crazy.