Ultimately, if someone really wanted to, the flash chip could be de-soldered from the circuit board and flashed with a new file and re-soldered back to the circuit board.
dave w
External Zif socket...
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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