not that it matters since no one here is gonna do it since VE heads are nearly impossible to find.
Yes, the VE and FWD DE heads will go on to the RWD Block with the same effort as putting a VTEC head on a non VTEC honda block.
oil lines, plugging certain galleys, ect.
getting manifolds that fit and other such nonsense is harder though.
SR20VE in S14.
http://www.eagle-r.jp/sr20ve.html
note the one off manis.
also not the lack of CAS and Distributer (not that triggerwheels are rocket science or anything)
SR20forum.com has a couple threads about it