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unison ring

  1. The Dreaded P0234 code

    6.0 Motor problems
    This last weekend while pulling my dual tandem trailer with a pick up loaded on it, the wrench light would set when it up-shifted after climbing a hill that required the tranny to down-shift. The code was P0234 which is over-boost. No other code. It had done it a few other times but not...

  2. Unison ring out of a Duramax?

    General 6.0L Discussion
    I had a Ford mechanic tell me that the stainless unison ring out of a duramax will resolve the turbo issues with the VGT PSD turbo. I searched around an couldn't find anything. Has anyone else heard of this. Thanks
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