Seller notes

Modified 1990 Pontiac Bonneville ECM, GM pn 01228253 Calibrator prom is custom... currently loaded with a version of the ASSK code with forced induction tables for fuel and ignition timing.The calibrator has been socketed and has an EEPROM installed in place of the stock EPROM. Included is a Moates adapter (allows the calibrator to plugged into a standard EPROM reader/burner) and a spare calibrator prom to be used however you like (currently has code for a 5.0L Turned Port V8 on it's eprom)...

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