tuning

Hi all, looking into doing a medium build on my 96 Super Sports Gear. I got a friend who's built several 2g DSM's which seems to be near identical to my RVR as far as drivetrain is concerned. He was telling me about the ECMLink by ECMTuning. I've looked into it and it seems that they do work on...

My long term plan as far as tuning for my car is concerned, is to run DSMlink. To do this I obviously need sensors to tell me what is going on in the engine so I can get the maps right. I am trying to decide whether it is worth it / necessary / best practice to have an EGT gauge as well as a WB...