Quote:
Originally Posted by mike100
I have heard that is true, but never personally tried it.
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Actually it has been tried by Haibeck and myself. Any ECM can be used w any year car. The prom however needs to be for the correct year.
N.B. the 90 prom does not have an on-board knock sensor, so although any year ECM will work for a 90, the prom will need to be specific to the 90. It is possible to remove the Knock Filter circuit from a 91-95 prom however.