the .006 "magic " number is from VW aircooled engines.......basically what a
WBX is is a type 1 with a water jacket on it.

the .006 is a proven valve lash number to allow for expansion at engine
temps to approach 0 lash.............this is what he has in mind to pump up
the lifters.  It works.

Adam P
81  Westy "The Brick "
70 Single Cab "Whitey"
74 Beetle "Ol Yeller"
73 Transporter (STILL at paint shop)
1988 Vanagon Wolfsburg
1976 Transporter (New CA bus)
1974 412 "Goldmember"
Used Vanagon Parts for sale (mostly aircooled)