jdm could be right about the "lighter fuel". it's a general term as far as I know, and some solutions may have oils etc. added which leave unwanted traces behind. That's why a rinse in alcohol after is a good idea. The purest ipa is not that easy to find though, and not that cheap when you find it.
For the record, this is the "lighter fuel" I use, 5 to 6 Euros for a 1 litre tin.
Never had the privilege to work on an Omega, so I can't say for sure, but why would they be different? The arbor and the spring still need room to move freely in the barrel.
Are you talking about this article:
There are some good tips in there about what the causes could be and how to remedy them. As long as you have cleaned everything thoroughly, I cannot see a problem with testing dry. Better than testing with a viscous lubricant on the parts, in my opinion.
Once in a while I bid on things with little expectation of winning, but by bidding, you do see the "You didn't win" message showing what the thing goes for.
This new potential 404 club member was one such auction which surprised me as I actually won.
Normally anything "jump hour" related goes for way more than the club rules allow.
Chromatic to me means something completely different.
Something more like this.