Will a 1981 Datsun 720 Ute petrol engine fit into 1989 Nissan Navara Ute?

It is unlikely that the 1981 Datsun 720 Ute petrol engine will fit into the 1989 Nissan Navara Ute without significant modifications. The Datsun 720 and the Nissan Navara are different models of vehicles, and their engines and engine compartments may have different dimensions, mounting points, and other factors that could affect compatibility.

Additionally, the 1981 Datsun 720 Ute is a much older vehicle than the 1989 Nissan Navara Ute, and there may be differences in the electrical systems, fuel systems, and other components that could make the engine swap challenging.

It is always recommended to consult with a professional mechanic or automotive specialist before attempting a major engine swap to ensure that it is feasible and can be done safely and effectively.