allway a bit picky this one
009's are notorious for crap build quality and what one sets at static doesnt equal full advance on another.
I set mine at 10 static.
regardsless - here are 2 great sites and you can have some more info to make your own mind up
http://www.vw-resource.com/009_dizzy.html
http://www.aircooled.net/gnrlsite/resource/articles/instdist.htm
this is also help full
http://www.aircooled.net/gnrlsite/resource/articles/distributor.htm
Have fun