j333rky Posted January 7, 2016 Report Share Posted January 7, 2016 Subaru impreza uk 2000 That's all I have done is changed from the standard td04 to a td05 20g and fitted a fmic do I have to change anything on the Base map also if I turn the boost up on my manual boost controller will I have to change anything then any help would be appreciated Quote Link to comment Share on other sites More sharing options...
Simon Posted January 7, 2016 Report Share Posted January 7, 2016 You need to tune the ECU!!!!The MAP is purely a start up map to allow the engine to start.Every engine is different.You have an adjustable ECU its whole point is to allow you to tune to make the best power possible for the given mods / engine condition. Quote Link to comment Share on other sites More sharing options...
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