Chris
  One inch diameter is way more than adequate. Fuel "flows" through
7mm or less tubing.  Just make sure there is a hole at the lowest
point of the saddle and one near  the highest point of the enclosure.

On 25-Sep-06, at 8:48 PM, Automatic digest processor wrote:

> Date:    Mon, 25 Sep 2006 13:54:37 EDT
> From:    JordanVw@AOL.COM
> Subject: Re: re-shaping vanagon gas tank for more capacity (Re:
> Reason fo...
>
> ken, i like that idea..  much easier.   i'd prolly use a hole saw
> and cut
> some really big holes, that way fuel flow would be greater..
>
> In a message dated 9/25/06 1:12:17 PM Eastern Daylight Time,
> kdlewis@northstate.net writes: