so i found this po2 with a 160HP engine and would love as much info on it as possible it supposedly was made in yugoslavia in the 50s called the PO2W from what i heard it was a problem with getting parts for the original airforce and they made this instead
Po-2W : Yugoslav modification powered by 160 hp (120 kW) license-built Walter Minor 6-III engine. 62 modified by Utva 1958–59