Looking for a RWD, non neo RB25det engine

[Riiim6]

Hey guys, recently had a problem with my Rb20 in my R32 Gtst and rather than buying another rb20 I’m trying to find a RWD RB25 but all I can find are either awd or neo RB25 with the transmission. I don’t want to go through the hassle of modifying an AWD rb25. I’m just looking for an engine that hasn’t been stripped so I can just do the necessary swaps and drop it in. Any help is very much appreciated. 

[Riiim6]

Or if you can tell me the things I need to do to put in an AWD RB25Det. I just don’t know if:

1. All I have to do is modify just the oil sump

2.If I’d be able to just slap on a RWD RB25 sump 

[GTSBoy]

You would be well advised to find a US importer of Jap stuff, or contact the buyers' agent type guys who live in Japan and source stuff to send back to peeps in foreign locations.  Most of us are in Oz, and getting an RB to Hawaii from here would be more painful than direct from Japan.  Japan also being closer to the source, must be a good thing.