jumpy tuning pins

[Kent Swafford]

Vince Mrykalo wrote:

>Here's a cure for the common jumpy tuning pin:  Apply 3 to 4 drops of
>Protek around the coil and let it go down into the block, as much as will go.
>Vince
>vince@byyu.edu

I know many good ideas are counter-intuitive, but I must admit I looked 
to see if this post was sent April 1.

Over what length of time have you successfully used this? Long enough to 
be sure the solution will not shorten the useful life of the block?

Kent