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Just a quick correction to my post #16. In example #1 I stated that the spark would get possibly "blown out" by the increasing airflow caused by upping the boost.

I've been doing a fair bit more research on this and I was in fact incorrect to a degree. The airflow doesn't "blow out" the spark, what happens is, as the pressure in the combustion chamber increases, so does the resistance to the spark. Eventually the pressure and therefor resistance, reaches a point at which the spark can no longer fire. I assume brand new oem coils would be able to create a strong enough spark under my conditions but as my coils are old, they're wearing out.

There is also the fact that this pressure/resistance increase can also trigger the spark to earth out through hairline splits in the housing of your coils, as many people have mentioned having in their coils (Fixed by taping them).

Ben.

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