MSD coilpacks - Subaru WRX Forum
 
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post #1 of 3 Old 06-28-2008, 07:25 AM Thread Starter
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MSD coilpacks

Anyone know if changing these out will help my spark. Worth the $ ?

Paul
2002 WRX Sold
2007 WRX Sold
2007 STi totaled
2007 Foz XT sold
2007 MS3
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post #2 of 3 Old 06-28-2008, 09:37 AM
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Any OEM coil on plug ignition is actually pretty good.I spent alot of time reading/researching about ignition upgradeds and the WRX's coils are good for around 60K volts (not sure the joules).You really don't need to upgrade unless you have a built block and will be running over 25+ psi.Basiclly only high boost applications have a problem with spark blow out so ignition upgraded might be worth it then.You can get some better performance by playing with sparkgaps and better grounding.I belive the coilpacks use the bolt that holds them on as thier ground.

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post #3 of 3 Old 06-28-2008, 11:29 AM Thread Starter
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Thanks Ron

Paul
2002 WRX Sold
2007 WRX Sold
2007 STi totaled
2007 Foz XT sold
2007 MS3
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