I think it is still there in the later watercooled models because the
optional BA6 and DA6 secondary heaters also use that tunnel to get the
hot air up to the front. Never seen such a setup installed close up but
I think that is how it works.

Mark

Dennis Haynes wrote:

>Actually, that crease in top of the tank is a left over feature from the
>air cooled days. It was there for the heater duct.
>Dennis
>
>-----Original Message-----
>From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
>Of Robert Smythe
>Sent: Wednesday, March 01, 2006 1:56 AM
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: gas tank
>
>............. Since I have an AT with worse
>mileage, shouldnt I be entitiled to a gas tank w/o the shifter linkage
>crease in the top?  Im sure thats a gallon or 2 lost volume right there.
>
>..............
>
>
>