Greddy Blue E-manage, asnd fuel questions. Newb

Hey guys. My car is currently running Greddy Blue e-manage for fuel and air control. It has 450cc injectors ( i think, or 440?). It also has forged internals. I'm wanting to turn the boost down from 16 psi, to 10 or 12 for daily use. Is there any advantage to putting the stock injectors back in and running just the stock ECU w/ no sort of EMS ?

I've heard that E-manage doesn't work well on MSP's because the ECU eventually re-learns and tries to go back to "it's own thing" Conflict between ECU and Piggyback. I just want reliabilty and about 250 hp. Whats the best way to go about this ? Should I just turn my boost down to 10 or 12 psi and run it as is w/ the EMS system and bigger injectors ? Like i said, i'm new to MSP's and want a reliable yet fun car. Thanks so much for your advice. People w/ E-manage feel free to chime in also (please).
 
I would think that turning the boost down to 10-12 psi would be just fine, just make sure your air fuel is correct, as if ur emanage is already tuned for wot it might run quite rich and bog out. I would leave the 440cc injectors in as well because even 10-12 psi boost is basically double what stock boost is so you want to run safe. Just watch the a/f ratio keep it runnin smooth. Your gas milage will definatly be alot better loweing that boost too :P
 
I don't have a AFR gauge... That's what I'm afraid of, running too rich at low boost, and I don't know how e-manage works...LIke, do they dyno tune only at 1 level of PSI, or do they do it for several ?? Now I'm worried, big time. What can I do about this ? This is really bumming me out.

I would think that turning the boost down to 10-12 psi would be just fine, just make sure your air fuel is correct, as if ur emanage is already tuned for wot it might run quite rich and bog out. I would leave the 440cc injectors in as well because even 10-12 psi boost is basically double what stock boost is so you want to run safe. Just watch the a/f ratio keep it runnin smooth. Your gas milage will definatly be alot better loweing that boost too :P
 
Buy a wideband. you NEED it. I have them on my website cheap.
 
I appreciate the directing to your site, but how about some help with the actual concern..You prob know a lot about this seeing as though you run such high boost and have your own shop. Thanks
 
So, to use the the AEM uego wideband gauge / sensor kit, all I have to do is run the Red wire to a switched power source, black wire to reliable chassis ground, weld in a O2 bung about 18 inches from the turbo, install gauge and O2 sensor and I'm good to go ? Sounds easy. BTW, i have no cat so I could put this anywhere on the exhaust as long as it's far enough away from the turbo ?
 
Ah Christ...If i use the "spark plug non-fouler " trick because i'm running no cat, will that now affect my e-manage system because the O2 sensor will be reading less air ? This is getting confusing man.
 
So, to use the the AEM uego wideband gauge / sensor kit, all I have to do is run the Red wire to a switched power source, black wire to reliable chassis ground, weld in a O2 bung about 18 inches from the turbo, install gauge and O2 sensor and I'm good to go ? Sounds easy

yes, it's that easy

If i use the "spark plug non-fouler " trick because i'm running no cat, will that now affect my e-manage system because the O2 sensor will be reading less air ?

you use the non-fouler on the rear o2 sensor which is not used for fuel control. it's simply there to tell the ecu the cat is working
 
You have to put a O2 sensor bung in the exhaust any exhaust shop can do it with in 15 min i put mine right in my J pipe i think they say 12" away from the turbo Max
 

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