What all do I need to purchase to rewrite and live tune while driving.
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What all do I need to purchase to rewrite and live tune while driving.
For about 99% of the stuff out there you can't do live tuning. It's not like a standalone computer where you can make corrections on the fly while the vehicle is running.
You can do live data logging and then use those data logs to graph/chart the corrections needed, then apply them to the tune and write them to the vehicle with the key on engine off.