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Found 3 results

  1. R33 Rb25det not performing New to the forums not really sure if this is the right section to be posting in but I've spent several hours raiding the forums and can't find a solution anywhere. I have an r33 rb25det it has a bigger fuel pump, front mount intercooler, super spark coils pack, 3.5" turbo back exhuast and a boost tee. It's running 0.74 bar of boost but it feels like it's not even boosting I can hear the turbo working and the gauges are reading 0.74 bar of boost. It smells like it's running real rich and has recently started to really chew through fuel. I have changed the spark plugs had them gapped correctly and the coil packs are 2 months old. What could be causing it to feel like it's not on boost and being real slow?
  2. Hi all, I have a 1998 R34 GTT running Apexi Power FC ECU. When you put your foot to the floor mostly in 2nd or 3rd gear black smoke spits out. I also get a nasty oil stain on the rear bumper from generally running rich. Can anyone recommend a decent tuner that doesn't charge a arm and a leg? I live in Hornsby NSW
  3. Weirdest running rich problem above 3000rpm Hi all. Hope someone can help me with my problem. I have an R32 GTR, freshly build RB28. Mapped with Nistune. Car was running fine while we mapped it and also the day after that. Next day it had the weirdest problem. Car is running completly normal until exactly 3000rpm. Above 3000rpm the AFR drops to 10.5:1 instantly and stays there almost the entire rev range. Doesn't matter if I'm driving oder reving it in neutral. It also doesn't matter what settings we make in Nistune. It's always the same above 3000rpm. What we checked so far: -both AFM have rising voltage with rev and load -TPS has normal Voltage -has 3000km old Splitfire coilpacks -has 4000km old Mine's AFMs -has 200km old Sard 850cc high impedance injectors and resistor delete -tried a different CAS -shows normal water temperatur -shows normal IAT temperatur -problem also happens with unpluged O2-Sensors. Looks like some kind of limp mode to me, but can't figure it out. I'm realy pissed with the car (again). Hope someone can help me.
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