[P1kachu] owns a pair of early 1990’s Honda’s with custom tuning on their stock ECUs, and after having to get the ECU repaired on ... tuning to another EPROM chip. This was done with an ...

These days he uses it to maintain a backup collection of old ECU chips from cars he has worked ... and he whips out an Arduino Mega and wires it up to the chip and is off and running.