I'm doing my second draft of this next LDS novel as a redraft, as opposed to a rewrite. Yes, this means typing out the whole thing again. Sometimes that's simply the fastest way to go to catch all of the continuity errors and get a feel for the pacing. So far, it's going well. I'm aiming to do about 3k words a day, and managed 4 today. I can get a lot more words in the second time around before I start to feel burnout. It doesn't require the same heavy lifting that forging through the material for the first time does.
However, I keep my previous draft on hand so that I can cut and paste in if I'd like. All that prose won't go to waste if any of it is better than what I'm doing now. At the pace I'm going, this project should be done by the end of the year. My biggest upcoming challenge is the break I'll need to take to write a short story due to my writer's group next month. Sometimes that knocks me out of my groove.