Motor ID?

[Steven VS]

I am trying to identify what motor is in my VS acclaim, whether it's a VS ecotec, VX or a VT ecotec motor. The mechanics who changed the motor used my manifold and throttle body but when I change the oil it takes 4.8 litres without reaching the dipstick. This would have been changed in 2016 and the mechanics are no longer there, so i can ask them. Wondering how to identify my motor beyond doubt.

 

[_R_J_K_]

Find the engine number:

There's probably a more comprehensive list somewhere else, but you can compare against this post to give you an idea:
https://forums.justcommodores.com.au/threads/v6-ecotec-engine-numbers.127862/#post-1455711