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Thread: 07 5.9 cm849

  1. #1

    07 5.9 cm849

    I swapped motor from 04.5-07 style to 03-04. Had some issue with it running but I know part of it is my injectors are junk (finding out after install), should I change the timing maps to more closely match the 03 maps or keep factory? Also is pilot injection referenced to tdc or degrees from main event?

    I?m leaning towards using the 03-04 timing map but I?m not sure how to set up pilot since it?s a little different than later 5.9 trucks. I don?t want to have 20 degree pilot if it?s referenced to tdc, that seems too close to main especially if main was advanced. Thanks in advance!

  2. #2
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    Pilot is degrees ahead of main event. If pilot and main is too close together, the pilot event gets bumped up automatically to maintain a minimum separation.