The golf/ Jetta ECU uses an external spark control. Why I don't know.
It may be because they also require a knock sensor witch the Vanagon
engines do not require.
    One another note, this ecu makes this engine the best choice for
engine swaps.

            Eric                   86-VW4x4
            vw4x4@fyi.net          86-SS Syncro
            Pittsburgh, PA USA     1936-Chrysler
                                   92-Jetta GWC
            www.fyi.net/~vw4x4/vw4x4.htm

On Sun, 25 Apr 2004, tmiller wrote:

> Has anyone tried to use a Digifant ECU for the same year VW Golf or
> Jetta?  I was specifically curious about the use of an 89 1.8L Jetta ECU
> in an 89 Vanagon.  The controls are similar, the sensors are similar,
> has anyone tried this?
> TEMiller
>