Morris Minor Owners Club

I have sorted my con rod noise new shells
But I have an oil leak after putting back the sump , is there another seal that needs doing . The leak is to the rear of the sump running down the engine plate ?

Hi my first post please help
I need new main shaft bearings
The shells have numbers 1203486
Also. A2783

Can anyone tell me the size I need it’s a 948 1961
Regards Ian