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The wide band is going to possibly become a new found tuning friend and answer some major questions for ya............

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the wide band sucks for racing imo, I bought a complete FAST set up for my E85. set it exactly what was called for. even put the car on a chassis dyno and let him hook his up. he told me it was perfect. got to the track and it was .15 slower, jetted down 2 sizes and picked right back up. so I am not sold on wide band for racing, thats why I asked for some kind of credible info from people who have tuned with one in relationship to racing and being consistent. the last time this subject came up

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I hear all that, but I will have something more to look at. Might be ok for idle and cruise work, but I was always taught MPH is the most important thing to look at when jetting - and I can only do that at the track. At any rate, just finished welding in the 02 bung and it's an hour past my nap time, so I'm done for the day.