it is i thought you are trying to defend it or something but yeah it's bad when you change headgaskets more often than your timing
https://www.beamng.com/threads/polonez-caro-mr93.82134/page-6#post-1385635 In short: either by the end of the year or sometime later in the next year. It's all a very loose approximation since it is a hobbyist project done in free time after all.
--- Post updated --- looks like a lawnmower engine or a motorcycle one i want trabant polonez Probabbly febuary i guess. We don't know, just be patient