Can you just switch a vcm?

If I have the same engine as my buddy can I just switch our vcm to show him

how much power a program will make?

1 Answer

  • Pat
    Lv 4
    1 decade ago
    Favorite Answer

    You mean a PCM? Yeah, but make sure it's from the SAME YEAR... Depending on the engine, like 4.3L v6's the fuel injection and ignition systems changed from year to year. the PCM from a SFI engine won't run an engine with MFI properly, if not being completely incapable of running it.

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