Did you notice any sound difference?

You might have had only bad coffee tbh. I’d at least give it a try with different stuff if you are ever inclined to try it again

These older models are quite serviceable, so I’m surprised to hear that. lol
Did it weld shut together by being exposed to the elements? Do you know the model/year? Is it from the 60s?

You are not making it any duller at all. That deserves its own post to be honest