I've got one of these from a hotrod shop:

http://m.overtons.com/modperl/product/details.cgi?pdesc=Stainless-Steel-Gas-Deck-Fill-For-1-1/2-Hose&i=76010

BenT
sent from my filler pipe 

> On Jul 22, 2014, at 5:23 AM, Stephen Grisanti <bike2vcu@YAHOO.COM> wrote:
> 
> I've considered it and thought marine product suppliers might have something that would work, like Overton's selection of tanks. Have not gone much beyond looking around, though, and I do not know if the plastic tanks would be sturdy enough for beneath-Vanagon use.