Daniel280zx Posted February 15, 2011 Share Posted February 15, 2011 Could I gain performance by replacing my 79zx's ecu with one of a newer ZX, has any one tried this, harmful maybe??? Quote Link to comment Share on other sites More sharing options...
cockerstar Posted February 15, 2011 Share Posted February 15, 2011 Search on the z31 ECU upgrade Quote Link to comment Share on other sites More sharing options...
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