I don't know yet, I haven't done anything to it. I just got her and so far I'm in awe of what I have. I'll post an update when I know about her internal health. Thanks.
Originally Posted by ndnchf
You have a real treasure! I too have a red eye 66 from 1923. One thing I've found with mine is that it has no timing marks. Most 66s have marks but for some reason, some were made without them. They can still be timed, but its a little trickier to do. I'm curious if yours has them.