Which compression ist that?

[Christoph]

Good Morning.

My A sadly had some bubbeling water (once hot) as well as little
smoke out of bubbeling Water (not to be seen in the video)

https://www.youtube.com/watch?v=47P5tPXwS84

As so, i took out the head to do a new gasket.

4 days of hard work (even lifting whole car with the engine lift).
Worst thing i ever had to do on this car.

Now i dont know about the head.
Is that a head with 5.5 compression (as i suspect)?
I did a lot of search but couldnt find pics (to compare).

Is it recommended to use a "modern" gasket with silicone here?

Thank you very much in advance.

Christoph