What do you guys know about this Mystical engine? A59?

just had a look and found this.

The original design used an Audi-sourced four-speed manual transmission for the 924 mated to VW's EA831 2.0 L I4 engine, subsequently used in the Audi 100 and the Volkswagen LT van (common belief is that the engine originated in the LT van, but it first appeared in the Audi car), as well as in the AMC Gremlin, Concord, and Spirit. The engine used Bosch K-Jetronic fuel injection, producing 95 horsepower (71 kW) in North American trim. This was brought up to 110 horsepower (82 kW) in mid-1977 with the introduction of a catalytic converter,

 

http://www.pistonheads.com/news/default.asp?storyId=25581

Scroll down a bit. Seems that it has been re-commissioned...

 

I think it's always been a running car? There's only one known of.

 

Ah, wasn't aware of that.

 

Club GTI and HPR have complied quite a lot of detail on both A59 and the HPT16 engine.

A59 details in this >>link<<.

HPT16 details in this >>link<<.