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  1. Yes, you need both the ECM and the chip from 84,...

    Yes, you need both the ECM and the chip from 84, for automatic the ECM is 1226026. The electrical connectors is just to plug in. The 84 ECM is smaller than the 82, and you need to attach it in some...
  2. Sorry, my misstake.

    Sorry, my misstake.
  3. I hope this can explain the high idle you had....

    I hope this can explain the high idle you had.
    Please let me know the result, if you do the swap in the future.
  4. I'm not an expert, but I think they are...

    I'm not an expert, but I think they are different:
    The '82 ECM is the 1225550, the 84 manual is the 1226430 and the 84 auto is the 1226026.
    I bougth the 1226026 on ebay with matching prom.
  5. I just did a succesful swap to a 1984 ecm, in a...

    I just did a succesful swap to a 1984 ecm, in a 1982 Corvette. In my research before the swap I found the information about, that if you used the ecm for 1984 manuell transmission, you got problem...
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