[Arizoni]

Finding the signed engines is very difficult.  You have to look on the gearbox which is hanging down below the compressor.

Once you find one, getting the job if de-signing it is pretty easy once you find the owner but you have to use one of those permanent black felt tipped markers.  You can't just scratch the signature out with a rusty nail or something like that.

[Okie Enfield]

AND THAT WHY YOU GET THE BIG BUCKS!!!