The TwEECer is an adapter which connects to the J3 service port of the 1984-2004 Ford EEC PCM, giving you the ability to modify parameters in the calibration data with parameters that match the modifications which you have made to your engine combo. So
The TwEECer is an adapter which connects to the J3 service port of the 1984-2004 Ford EEC PCM, giving you the ability to modify parameters in the calibration data with parameters that match the modifications which you have made to your engine combo. So