<html> <body> Hi James,                  the answer is yes, and it is the most effective way to treat a grand block. Especially if the block is really bad.   Far from my first choice, but in this situation go for it. Regards Roger At 08:50 AM 10/26/2007, you wrote: <blockquote type=cite class=cite cite="">I recently tried to treat a grand pinblock with C/A glue and very little of the glue penetrated past the plate bushings.  Needless to say, I didn't get the usually expected result.  Has anyone tried turning a grand upside down and treating the pin block from the bottom?  The pin holes come out the bottom so there would be a well into which the C/A glue could be applied. I'm not sure I want to be the first to try it, but If I don't get a response, I probably will be.  The customer (a piano teacher of course) can't afford a new pinblock and is just a few years from retirement anyway. Thanks, James H. Johnson, RPT </blockquote></body> </html>