If you have a gasser fair enough then ZEAL IS ACE but below that i too dont see a point Read this http://www.helifreak.com/showthread.php?t=59878 Its really not necessary and better to work out your vibrations then to mask em Good luck -- jeevson ------------------------------------------------------------------------ jeevson's Profile: http://www.rcgroups.com/forums/member.php?u=164401 View this thread: http://www.rcgroups.com/forums/showthread.php?t=812709