The car is Alfa Romeo 156 2.0 TS '98
I've read many threads regarding to this problem in this forum (which i'm very thankful for) and the most common fault was cracked manifold. I wonder if any of you had the same problem, since I uploaded the sound capture from my engine, please take a listen and let me know if it's really manifold or something more serious.
Some more information:
If i increase rpm very slowly I can pass this ticking noise, however if i do it as in those videos, you hear what happens.
20140310 142118 - YouTube
20140310 141245 - YouTube
Any information and thoughts will be much appreciated!