Subject: by hulagan808 on 2008/6/28 15:06:08 A wide band o2 wil tell you more than anything else and are getting pretty cheap now. check innovative motorsports or visit a dyno. Screw what someone (no matter how good a tuner) says looking at your bin files without wideband data, that's like tuning a carb! As far as measuring performance gains, when the seat of your pants fail, and no dyno is available/affordable. g-techs are good (there are many others) Aloha |