GM Wastespark whats the Max Dwell time

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  • Alex325icturbo
    Noobie
    • Apr 2009
    • 30

    #1

    GM Wastespark whats the Max Dwell time

    Hey. Can anyone tell me whats the MAX dwell time for GM wastespark coil pack
  • EatsHondas
    E30 Addict
    • Sep 2012
    • 404

    #2
    Not sure on the exact numbers, but aftermarket MSD coils for GM have an optimal dwell time of 2.5ms for reference.

    Are you trying to crank up the dwell for max spark without melting 'em?
    1989 325i Lachssilber Sedan
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    • Alex325icturbo
      Noobie
      • Apr 2009
      • 30

      #3
      Well the problem is I have a some misfire at lower rpms. I searched around an found theses dwell settings for a GM coil pack. what do everyone else use

      Cranking dewll 2.8
      max dwell 1.6
      accel comp 1
      max spark duration 2
      Last edited by Alex325icturbo; 02-16-2015, 12:04 AM.

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