Permanently locking my hubs... Good/bad idea?

[reginald fairfield]

Yeah I am going to put some on my 99 eventually too. I just hope that they are still available in the future, because I really don't like the idea of locking the hubs in permanently. I want every MPG that I can get, because ranger mileage is never that good in the first place. When you think that some people install fancy contraptions to get 1 mpg better, it changes your thinking a little.