Fixing Rear Suspension Sag? Home › Forums › MGTD Kit Cars › VW Based Kits › Fixing Rear Suspension Sag? › Fixing Rear Suspension Sag? October 23, 2004 at 9:58 pm #236399 Mark HendricksonParticipant @pink-mg Brian… is your car an IRS or Swing Axle (pre-’68 VW donor)?