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nt w turbo maft with nt ecu tuning questions

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compression

15+ Year Contributor
1,433
11
Dec 9, 2004
vero beach, Florida
i have a 94 4g63 and im am trying to turbo it, i have a thread right next to this one about all of that, my main question is how to tune with a maft on a nt with a nt ecu , since the nt ecu is set for 240cc injectors the lowest setting on maft is 440cc , i have the 450cc injectors in with the resistor pack, now do i set my maft at 450's? or since my ecu is set for over 200ccs less should i set it for like 660cc's? thanks in advance tuners
 
Why don't you just buy a turbo ecu? I'm not trying to avoid answering your question, but it seems like your holding a loaded gun, finger on trigger, safety off, aiming at your foot hoping to get a good answer here? Why bother over something as simple as a $100 ecu?
 
because my car is sitting at the shop in this condition, i know i can get it to run pretty decent the way it sits, im just stuck in need of guidance, i dont have a turbo ecu laying around sure i could buy one, but i really dont want to i would like to utilize the nt ecu if possible.
 
Play around with it. Try the settings 'zero'ed out and work from there.
 
Ignition timing could be a major issue. Definitely get a turbo ecu as soon as you can.

Your maft probably assumes 450's are stock, so for it to make the 450's work in the ecu set for 240's I would think you would need to set the injector size on the maft to around 800-850.

450/240=1.875
450*1.875=843.75
 
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