Hey mate,
I'm heading over for the same 2 interviews aswell. I'll see ya there.
To answer your question, I'm not sure if there is a site.
But I do know that the engines on the CX fleet are as follows:
A340-300 : CFM56
A330-300: Rolls Royce Trent 700
777-200 and 300: Rolls Royce Trent 800
777-300ER: GE90-115
747-400: Rolls Royce RB211-524
747-400(the few aquired from SIA): PW4062
Cheers,