a 13b longblock without accessories is about 180-190 lbs. tranmissions is about 90-100lbs. turbo, intercooler, alt, starter, pulleys (no ac/ps) tacks on another 100lbs or so.
stock injectors are 550cc for both primaries and secondaries. stock ecu can support 720cc injectors, if memory serves. past that i tihnk you have to go piggy back or stand alone. Remember, the trick to having a "reliable" turbo rotary is cooling, heat dissipation, and a fuel system running rich