I repaired the oil drains in my two motors with Time-Serts.  They were faily straight forward to install myself.  FYI, I rented the Time-Sert instalation kit from Aircooled.net if you want to tackle the job youself.  I understand that most motorcycle shops also do this kind of thread repair.
Pascal
'84 Westy

________________________________

From: Vanagon Mailing List on behalf of Joseph Fortino
Sent: Mon 14/01/2008 1:51 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: [vanagon] Oil drain Plug

my time-sert has treated me well so far..

Joe

-----Original Message-----
>From: Miguel Pacheco <mundopacheco@GMAIL.COM>
>Sent: Jan 13, 2008 7:41 PM
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: [vanagon] Oil drain Plug
>
>Clayton, intalling an oversized plug is akin to jamming something where it
>does not belong. It's likely that you have compounded your problem.
>As far as teflon tape, it may or may not help, but teflon is used when the
>threads are designed to provide the seal. In the case of this plug, it is
>designed to slightly compress the copper seal between the two surfaces.
>That is where  your seal will take place. You need to clean both surfaces
>very well, re-install just beyond snug. You don't want to strip
>anything......though it may be too late and, if so, you will have to
>querry this forum with your new issue.
>Good luck,
>Miguel

"the possession of anything begins in the mind" - Bruce Lee