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CDI ignition? S70 1998

posted by  gavinl on  Sat Feb 9 03:41 CST 2002
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last visit: Sat Nov 28 16:43 CST 2009
[RELATED]

Thinking of getting a better spark for my upgraded ECU program with a Capactive discharge ignition kit. Any pros and cons to share?








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    CDI ignition? S70 1998

    posted by  Sin on  Sat Feb 9 09:19 CST 2002
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    There was a thread quite a while ago debating the use of capacitive discharge ignition systems. Suffice it to say, capacitive discharge ignition systems are VERY good, but the average street car will not make use of it's full potential. You are better off getting a better coil to replace the ridiculously undersized oe coil.

    Granted, on turbos, the compression is pretty low at under 9:1. But still, I think that coil is just WAY too small. I'm definetly upgrading mine when I start upping my boost electronically.








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      CDI ignition? S70 1998

      posted by  gavinl on  Sat Feb 9 15:53 CST 2002
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      last visit: Sat Nov 28 16:43 CST 2009
      [RELATED]

      I've tried opening the spark plug gap but couldn't get past 0.9mm. So thinking of CDI so I can open up the gap and improve fuel economy during daily drive as well.

      Gonna get a CDI kit from a friend to try before I make my purchase decision ;-)







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        CDI ignition? S70 1998

        posted by  Sin on  Sun Feb 10 06:37 CST 2002
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        You don't want to go too big on your gap. First of all, going too big and the you'll need to upgrade the rest of the ignition system.








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          CDI ignition? S70 1998

          posted by  gavinl on  Sun Feb 10 07:26 CST 2002
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          last visit: Sat Nov 28 16:43 CST 2009
          [RELATED]

          I presume with a CDI installed the plug gap can be widen right? also do I have to consider removing the distributor rotor's resistor to prevent it from burning out?







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