Posted by Kaegi on Friday, July 21, 2006 at 4:38PM :
In Reply to: do they really work? posted by mannyc on Friday, July 21, 2006 at 4:29PM :
It worked on a 47 that I restored for someone else. i got to "test" drive it for week or so after restoration. The seat was redone and comlpletely sealed when rebuilt. when the valve is shut there was nogive to the seat. Open it got bouncy.