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cold start

  1. Why are these things so hard to start in the Cold?

    Cummins Tech Section
    I have some ideas, but is it one thing or many things that make these 4bts so hard to start in the Winter? I assume: Cold air is harder to compress further Cold air wont be as high a temp at the top of the stroke Batteries dont put out the amperage at Cold temps Cold oil is harder...
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