#1 Vanagon engines do not suck fuel that what the elect fuel pump in
there for. On A2 VW's they even have 2 fuel pumps to do the sucking  for
you
#2  It might be snake oil but the 60 or so people that i have put it in
there cars love
it.
#3 Would you like a list of the large trucking co that use the product,
mining co, police depts, and
more.
I happend to like P.T. Barnum.  Ari, You are 100% right. The Bi-Tron
fuel addtive will also clean the injs and valves and coat then to. After
putting Redline MTL and the Bi-Tron 2-4-6 in the trans on My Vanagon it
shifts like a baby.   Bob K>