looking at the rear ends available....it says the the 240sx has LSD and the r200. Are they all lsd? Is there a year range, or are they all great rear ends? 
  
R200V Short nose, 5 Bolt ouput shafts (240SX) 
Ratios 3.90, 4.08 
LSD Viscous 
  
Which rear is this? LSD? r200?