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SparkTech Fixed my Misfire on stock ECU

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Old Aug 1, 2008 | 03:27 PM
  #46  
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imho a group buy on a product that is almost never in stock due to always being sold out is pointless. this unit is in such high demand its hard for craig to keep up as it is. a group buy would just be pointless.

do the math. look at what you get here compared to other systems..... look at quality compared to other units.... the price imo is to low as it is. but craig dose not care about profit. he cares about a quality product for the evo enthusiast. he is in it for the love of the game. these systems if you add it up what he uses and add in man hours for building them and some serious R&D CRAIG did to fix many issues your getting a damn near steel...

thanks craig for bringing one hell of a quality part to the table at a damn good price........
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Old Aug 3, 2008 | 10:19 AM
  #47  
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Originally Posted by inneedof
tell me more!
haha...i am pretty sure you will hear about it, i am thinking....JE, Oliver, and K1 .
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Old Jun 3, 2010 | 02:10 AM
  #48  
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Dude I running the spark tech too but increased my injectors to the 2150cc and running higher boost and now I am having problems that your talking about with the breaking up. I believe my coils are bad or something. What your guys input on this? changed spark plugs is it because my boost is too high and if so how can I run it with high boost. Trying to get in the 40's. Going to change out coils and see what happens first going to talk with spark tech see what they say
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Old Jun 3, 2010 | 10:58 AM
  #49  
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Originally Posted by thomas.featsent
Dude I running the spark tech too but increased my injectors to the 2150cc and running higher boost and now I am having problems that your talking about with the breaking up. I believe my coils are bad or something. What your guys input on this? changed spark plugs is it because my boost is too high and if so how can I run it with high boost. Trying to get in the 40's. Going to change out coils and see what happens first going to talk with spark tech see what they say
What EMS, what gap, what fuel, what AFR, what amount of timing?

WAY too many other things it could be before I'd even worry about a coil causing an issue. If your gap is too loose (.024+) the non cdi will still have issues at high boost. If you have a CDi system the 300M coils have a limited lifespan. It isnt uncommon to break the ends of the connector when reinstalling it after a plug change which is why Sparktech has the cover option now.

aaron
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Old Jun 5, 2010 | 01:29 PM
  #50  
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so i replaced my coils on my spark tech. Still getting the breaking up at 6000rpm in 3rd and 4th I have redline at 8200 running 2.3stroker hitting 36-37 pounds but breaking up.
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Old Jun 5, 2010 | 01:31 PM
  #51  
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Originally Posted by JohnBradley
What EMS, what gap, what fuel, what AFR, what amount of timing?

WAY too many other things it could be before I'd even worry about a coil causing an issue. If your gap is too loose (.024+) the non cdi will still have issues at high boost. If you have a CDi system the 300M coils have a limited lifespan. It isnt uncommon to break the ends of the connector when reinstalling it after a plug change which is why Sparktech has the cover option now.

aaron
Coils in and of themselves arent the problem, please refer to the other parts of the checklist.
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Old Jun 5, 2010 | 01:31 PM
  #52  
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no connections are fine i checked when I talked to Craig from spark tech new coils are in and when i went for a test drive was still breaking up then my starter went out geez what is the deal. was planning on going to the track today too
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Old Jun 5, 2010 | 01:33 PM
  #53  
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What EMS, what gap, what fuel, what AFR, what amount of timing?
AEM EMS, gap not sure, fuel e 85 ,
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Old Jun 5, 2010 | 01:35 PM
  #54  
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my gap is at 23 maybe I should take it too 20
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Old Jun 5, 2010 | 01:36 PM
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Gap is the killer. For most high boost stuff independent of ignition used you'll need to be .018-.020 for gap. That much boost on E85 it is almost a good idea to start going to a colder heat range as well. What turbo?
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Old Jun 5, 2010 | 01:38 PM
  #56  
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If the timing is too low you can get the misfire as well. What is the timing at right there at 6k? AFR if too lean or too rich can cause some problems. Target 12.0 if you arent there already, though we have noticed for drag racing and high boost as lean as 12.5 is still acceptable.
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Old Jun 5, 2010 | 02:49 PM
  #57  
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nice machine, real monster
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