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Thread: fuel pressure

  1. #1
    Platinum Member Platinum Member Ken N's Avatar
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    Arrow fuel pressure

    Can air/fuel ratio be adjusted by increasting or decreasting fuel pressure in a MPI

  2. #2
    GPM
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    yes, it will change accross the board not areas.

  3. #3
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    It can have a significant affect on afr.

  4. #4
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    yes, but the issue you will run into is will be way rich at lower RPM's and kill fuel economy, mess with it a bunch on GM tpi setups...works on high rpm well but cruise suffers...Rob


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