Audi 80 2.8E freewheeler

Hi, I already wussed through the Sufu (which did not spit out anything concrete) but did not come to a clear result. Audi did not give a change interval for the timing belt for different models ( ́visibility check & exchange in case of damage) so to my knowledge also at the 2.8E. My question now, can someone tell me here concretely whether this engine is a free runner. I’m just on it to change my zr. (have already nen contitec da , wait only for d he WaPu. However, I am very interested in the whole thing (had discussed it with buddies at the WE, and now would like to know what thing is Greetz chris