Power from my V12

V12-Engine
1

I ve a 1989 non catalyst Marelli engine used on my S3 E Type.
I would like to know the power from the engine.
The Serial number is 8S66351SA.
Does someone know where to find the information ?

2

Brochure section of old site.

3

This:

http://www.jag-lovers.org/brochures/section_xj-s.html