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He connects a bunch of equipment to include wideband o2 (tailpipe), datalogger (OBD-II port), and all his tuning equipment (ecu port), puts the laptop in the front seat, then goes out and does 3rd gear pulls. He stops, reads the logs (boost, afr, timing, G-force, etc), then makes adjustments to the fuel and timing tables accordingly. He also has you change the boost, if necessary.
You'll only know the difference in WHP if you dyno before and after. There will be a dyno on the premises that you can pay to use, but I'll tell you right now that the power will suck, because we lose around 50whp up here due to altitude, so you would only want to look at the before/after changes - not the absolute numbers.
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11.51@117.72 - PMI
11.62@116.60 - Bandi
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