I believe that you can put a 1Z or AHU (from a 1994-1999.0 Golf or Jetta, or
B4 Passat) will fit.  The ALH and newer engines (1999.5 or higher, or 1998
Beetle) will not fit, as the oil filter bracket will hit the engine lid.

On Thu, Aug 28, 2008 at 05:08:12PM -0400, Gilles Turmel wrote:
> Hi,
> I'm in the process of installing a 97 ABA engine in an 91 2WD Westy.
> I'm going the 50 degrees way.  The project is not completed and I'm
> wondering if I could swap the gas engine for a TDI and still keep the 50
> degrees approach.  If yes, what engine should I start looking for?  Any
> info on the TDI installation would be welcome.
> Best regards.
> Gilles Turmel