pulled apart and the copper was realy dirty, polished all the tracks up with a rubber attachment on a dremmell, couple drops of machine oil on contacts, back together and working a treat with higher scores possible now
![yippee #*#](http://www.aussiepinball.com.au/Smileys/classic/yippee.gif)
cheers
Might have to look into a 12' speaker for a deep heart beat sound.