Originally Posted by
DazC
There is nothing to plug into the ECU (which controls the ignition only) and the calibration is stored within the proccessor and cannot be accessed.
At best he will trick the ECU to not go into overboost protection mode then wind your boost up. Wether he has the knowledge to turn the fueling up to match correctly is another debateable subject.
well id presume fuel would be adjusted accordingly otherwise the engine would pink as soon as it went on boost?