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Thread: cammed 392 stock injector to FIC650's

  1. #1
    Tuner
    Join Date
    Mar 2018
    Location
    Australia
    Posts
    95

    cammed 392 stock injector to FIC650's

    Hi all,
    I had my tune all squared away by a remote tuner ? the car ran great with injector duty around 90%, so I decided to upgrade to new injectors to bring that duty cycle down.
    Didn't expect the swap to be this tricky. The injector data is supplied in mg, which makes logging tough ? especially since the second-to-last value in the inj/pw table is 15mg and my car idles at 16mg. That means I'm basically missing the ability to log properly at idle with just one tab.
    The issue is, after installing all the provided injector data, the car runs very lean (+15 AFR) on cold start. Once it's up to temp, there's no problem ? idle and light throttle hover around -1% VE, and everything in PE looks great.
    I?ve tried adjusting the cold fuel adder, but I?m not sure how much to increase it or if I?m even tweaking the right thing.
    Any advice or similar experience?

    also i have asked the original tuner is they could fix it i would be happy to pay him and no answer
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