Guest 350Zen Posted August 30, 2004 Share Posted August 30, 2004 I have a ' 81 280zxT with a California ecu in it, what is the difference between the California ECU and the Federal ECU? I did a search, and I didn't find much. Quote Link to comment Share on other sites More sharing options...
savageskaterkid Posted August 31, 2004 Share Posted August 31, 2004 California has stricter emissions laws then the rest of the US, so the ECU from the California one is more fuel efficient- but i'm not sure. Quote Link to comment Share on other sites More sharing options...
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