Spark Tech COP is awesome! But one issue remains. (pics included)
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Spark Tech COP is awesome! But one issue remains. (pics included)
Today I just picked up a set of Spark Tech's COP ignition system off craigslist for great deal. It's in amazing condition and look great in the engine bay. After install, there is a noticeable difference in the idle, the sound of the exhaust, and the smoothness in the entire rev range. Even with the AC on, shifting has improved. Overall a great upgrade, especially since I'll be looking for more power in the near future.
There is one issue though. The reason I upgraded from my stock coilpacks was to solve the issue of misfire (p0300) under a slight load (0-5psi boost) in 5th gear. I'm still getting a check engine light every now and then because of it and I don't know why. I use NGK bpr7es gapped at .025 along with bolt ons tuned on 24psi on 91oct. I also put in fresh Amsoil and spark plugs as of last week.
Possible problem areas could be:
-Twinvent BOV
-Spark plugs or their gap
-The tune
Any input would be appreciated.
There is one issue though. The reason I upgraded from my stock coilpacks was to solve the issue of misfire (p0300) under a slight load (0-5psi boost) in 5th gear. I'm still getting a check engine light every now and then because of it and I don't know why. I use NGK bpr7es gapped at .025 along with bolt ons tuned on 24psi on 91oct. I also put in fresh Amsoil and spark plugs as of last week.
Possible problem areas could be:
-Twinvent BOV
-Spark plugs or their gap
-The tune
Any input would be appreciated.
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If you had the issue before and that didn't fix it you have some other problem it's that easy.
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I guess as long as it works for you it's all good though. You have issues if you are replacing them that often though.