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You need to swap the ECU and entire harness from the B13. The B14 has sensors not present in the B13 and of the ones that are the same several are in different locations. Also, the plug is different for the B13 and B14 ECUs.

The B14 speedometer and tach (if you have one) won't work. The speedometer needs an electronic speed sensor, and both get their signals from the B14 ECU. You could use the B13 instrument cluster, if it will fit.

I don't know if you can pass inspection since it is illegal to put an engine in a car which is older than the year of the car (Federal emissions statute). If you have emissions testing which connects to the ECU, the OBD plug for the B14 is different from the B13, and that may fail your car, depending on your state regulations.

Lew
 
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