Where is the oil filler ?

[opampca]

The serial number you're giving is from the engine that donated the flywheel cover. You need to find the serial number on the block. Look on the side behind the manifold, just aft of the flywheel housing.

I will check, but this type of cover is from late model ?

[opampca]

Finally I found the trick...
The block was changed 10 years ago with an early model...

Anything I should look after in this mod ?

Thank you