I was going to do this, ordered the kit, and now that i have it have my doubts as to how to plumb it and not have a hose close to a header pipe...........Bus Boys did not give a lot of support on this.  

I have a similar setup with a sandwich plate adapter on my 81 and it works great.........

Adam P                              
81  Westy "The Brick "
70 Single Cab "Whitey" 
74 Beetle "Ol Yeller"
73 Transporter (STILL at paint shop)
1988 Vanagon Wolfsburg 
75 Campmobile "for sale'
Used Vanagon Parts for sale (mostly aircooled)