Both are readily available.
there are lots  of TD and TDI vanagon engine conversions already done, and
under way, and planned...
a lot of 'em.

Scott
www.turbovans.com

bottom line on the  power/torque  thing ...
tdi's have more,
 and can be more complex than a basic TD, like a 1.6 TD or AAZ 1.9 TD.

----- Original Message -----
From: "ralph meyermann" <ralphmeyermann@GMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Thursday, March 24, 2011 7:54 PM
Subject: Re: 82westie 1.6 diesel upgrade

> What are my odds on finding a td vs a tdi
>
> On Mar 24, 2011 8:23 PM, "ralph meyermann" <ralphmeyermann@gmail.com>
> wrote:
>
> How much torque/power difference between the tdi and the td?  And how
> Many of the tds are out there?
>
>
>
> On Mar 24, 2011 5:54 PM, "ralph meyermann" <ralphmeyermann@gmail.com>
> wrote:
>
> This is my first dei...
>
>
>>
>>
>> >
>> > On Mar 24, 2011 5:37 PM, "Jeff Schwaia" <vw.doka@gmail.com> wrote:
>> >
>> Not really sure yet.  Ha...
>
>>
>>
>>
>> -----Original Message-----
>> From: Scott Daniel - Turbovans [mailto:scottdaniel@turbovans.co...
> Sent:...