Blacktop running rich/poor after upgrades

[Josho]

Ok here's the situation.. I have a 93 Nissan Silvia originally equipped with a redtop sr20det. The car ran perfect stock. Now I have a s13 Blacktop with a built head, gt2871r turbo, walbro 255, stock injectors, maf and a stock Blacktop ecu. Now obviously the car would run a little rough but it's still driveable. The only problem it gives me is every now and then it'll shut off when I let off the gas and come to a stop.

Ok, so when I purchased the blacktop(already built) I also bought this guys tuned ecu. He had it tuned for the same mods including the turbo. They only mods I was missing was the z32 maf and 850cc injectors(which his ecu was tuned for as well). So I bought a new maf and injectors and installed them and the tuned ecu. With that installed the car cranks up just fine but rins very rough. I can rev it up as high as I want but it breaks up real bad. I swapped my maf with a known good one and it runs the same.. Any suggestions? Could the ecu be bad? I also have a coolant temp sensor out of a redtop, not sure if that matters.
http://i526.photobucket.com/albums/cc347/STM_Josho/th_CIMG0095.jpg (http://s526.photobucket.com/albums/cc347/STM_Josho/?action=view&current=CIMG0095.mp4)

[Sileighty_85]

So your running a Black Top ECU with a Red Top Harness?

Depending on the Black Top ECU, You'll have to repin the ECU harness.

I forgot which one needs to be repinned so just look around here and see

[chetos13]

fpr or the vac lines check them out fpr might not be getting the correct vacuum

[Josho]

I think my ecu and harness setup is fine. I have 2 E5 ecu's. The stock one(which makes the car run pretty decent) and the tuned one(makes the car run like s**t). Could it really be a vac. issue just because I swapped the ecu and added bigger injectors and maf? It would kinda make sense but could someone explain why, if that is the case.

[Josho]

My major concern is the ecu. Can anybody atleast rule out the ecu as being the problem?

[usdm180sx]

Get that shit properly tuned with a programmable ecu

[KiLLeR2001]

Which O2 sensor are you running? If you are using the E5 ECU, you need the fat type sensor.

[Josho]

I have the cross reference o2 sensor. I think it was the TT z32. It's fat.

[PoorMans180SX]

How long did you run the car "stock" with the 2871R and at what boost?

Who is the ECU tuned by?

[jchrisw85]

is your bov recirculated?

[kojiki88]

So your running a Black Top ECU with a Red Top Harness?

Depending on the Black Top ECU, You'll have to repin the ECU harness.

I forgot which one needs to be repinned so just look around here and see
I know you have repin the Type X Harness if you want to use another ECU that is not a Type X. Could be the tune in the ECU, Not every Motor runs the same even with Similar builds. GL

[Josho]

ecu is an enthalpy tune.. I think. I'll double check that.

My bov in not recirculated.

As for the tune; I bought the motor from him aswell. We had the same turbo only his had a bigger exhaust housing. Other then that, everything was the exact same thing.

[Josho]

hoping to get this situation figuered out this weekend. Anymore suggestions would be greatly appreciated.

[Josho]

Upated with video
http://i526.photobucket.com/albums/cc347/STM_Josho/th_CIMG0095.jpg (http://s526.photobucket.com/albums/cc347/STM_Josho/?action=view&current=CIMG0095.mp4)