first off it helps in telling what year 240 you have and what car the vlsd is from. second there is a archive section with everything you need to know about lsd options and what output flanges you need. if the vlsd is from abs equiped 240 you will also need a shorter driveshaft piece.
Also for the ppl saying f**k vlsd have you though about what the car is being used for. VLSD is not the best option but it is still a step up from OD.
http://www.zilvia.net/f/showthread.php?t=38598
http://www.zilvia.net/f/showthread.php?t=21337
have a nice day
-Mike
