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Added February 27, 2022 by mxm64
New tank of E14 (lowest I could get it down to from last E64). Misfired at the end of the pull on Cyl5, got a dme code 29D1. Plugs and delphi coils only have a few thousand miles on them. Did plugs get fouled out from last E64 pull misfires? Should I be running 2 step colder instead of 1 step? What power level are delphi pencil coils good for before needing to upgrade to B58 coils?
  • 93 Octane
New tank of E14 (lowest I could get it down to from last E64). Misfired at the end of the pull on Cyl5, got a dme code 29D1. Plugs and delphi coils only have a few thousand miles on them. Did plugs get fouled out from last E64 pull misfires? Should I be running 2 step colder instead of 1 step? What power level are delphi pencil coils good for before needing to upgrade to B58 coils?
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