Agreement here, too. There's been lots of times when I've worked on something long abandoned that the chainwheel side cup is absolutely immoveable - to the point that I've done a long dowel with cleaning material on the end that I can soak in kerosene and scrub it down while still in the bottom bracket. And I've gotten very good at laying in a layer of grease under the same circumstances.
Not elegant, but it work well enough.
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Syke
“No one in this world, so far as I know — and I have searched the records for years, and employed agents to help me — has ever lost money by underestimating the intelligence of the great masses of the plain people. Nor has anyone ever lost public office thereby.”
H.L. Mencken, (1926)