Longer dampers than original

[KeyKat88 at aol.com]

Greetings, 

          Is it a bad idea to replace dampers on an old upright with ones 
that are longer, we're talking about 3/8" longer (3/16ths at each end). ...and 
this would be for the bass's bi and mono dampers only. Is the longer length 
going to cause a problem when the damper goes to lift? 

Also, while I am in there, is it a good idea to verrrry slightly (bend) each 
damper's spring wire so that it strengthens their pressure on the strings? Is 
there a way, perhaps a gage, to measure the pressure of these springs? If it 
can be measured, what should it be?

Thanks
Julia Gottshall,
Reading, PA
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