If you're modifying or tuning General Motors vehicles then you have heard the terms speed density, open-loop tuning, and standalone harness. In this #TechTuesday, our GM Instructor Steve Morgan joins Brett McClelland to give you the 101 of what speed density & open-loop tuning are and which method you should be using.
How to Properly Understand Your O2 Sensors: Vehicle Oxygen Sensors & Their Role with Fuel Trims:
https://www.youtube.com/watch?v=mtz5F0tUXBQ&feature=youtu.be
Fuel Trims & The Tuning Process:
https://www.youtube.com/watch?v=ePt-6y2CpdI
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For more High-Performance Tuning Knowledge #HPTK
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