gazz350z Posted March 22, 2009 Share Posted March 22, 2009 anyone know if the ecu on a 2003 jdm will cancel out any performance gains??? i heard some of the earlier ecus dont thanks in advance gaz Quote Link to comment Share on other sites More sharing options...
dcash5 Posted March 23, 2009 Share Posted March 23, 2009 Yes it will Quote Link to comment Share on other sites More sharing options...
Chris`I Posted March 23, 2009 Share Posted March 23, 2009 The rumour is that not all of them do, but it has to be a very early model. Only real way to find out is to get it dyno'd, fit some mods and have it re-dyno'd at the same place in like a months time. See if it dialled them out. Mine (53 reg UK) did a damn fine job of dialling out my mods at the weekend. Made stock power and a little over stock torque on a DynoDynamics. Still sounds and looks a lot better than the Evo's I was there with Quote Link to comment Share on other sites More sharing options...
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