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#tuning

  1. T Series Boost

    ECMlink AFR lean when accelerating

    Quick tuning question for my 4g63t..I'm in open loop to try to dial in my MAF and fuel. When I'm cruising, if I lightly accelerate the car goes lean, and if I decel, it goes rich, and if I am at a steady speed my AFR is good. Under hard acceleration / boost its a bit rich which is ok, and...

  2. 2G Black box tuning question

    I’ve got an almost fully built 6bolt 4g63 in my 95 gst with aftermarket exhaust and what I was told is a black box tuner.The previous owner told me it was never tuned since all the aftermarket stuff was done to it and that it will run a lot smoother once tuned. I’ve read a lot about tuning...
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