08 Yaris 'S' Turbo Build

[06YarisRS]

Wow! What a build. Interesting that you're running the Haltech in unison with the factory ECU. I have spoken with Haltech and ECUMaster about their "Black" standalone. I didn't think that there was a Boomslang harness developed for the 1NZ. In my 'budget build' am running the AEM F/IC piggyback which I don't really fancy much. It came with the kit I bought and installed on my swapped 2ZR. This was before I delved into engine management systems for FI cars. I guess you could say the tune is 'safe', but I added my own home built W/M injection system for a little extra security. My car always starts, runs well, but the FIC and stock ECU are often at odds; the factory ECU trying to modify fuel trims. I tried O2 spoofing with marginal success. I would be all ears if you would offer some advice re engine management. All I want to add to my system's ability is some finer closed loop fueling control. I'm happy with everything else. Some day, I would love to build my 2ZR, but that's a little out of my current skill set.

Did you mention which transmission you have and how is it holding up? I did see that you beefed up the flywheel and clutch, so it's manual, but is it the stock c50? I have the U340E auto and it seems to be handling boost with ease, though it can downshift when you don't want it to. Haha. It seems to like full boost from about 50 km/h up. A lighter touch and it may become slightly confused.