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Discussion Starter #1
I put in an E3 plug for the rally this weekend and did not have good results. Within an hour of riding my bike was missing and backfiring. By the time I got back to camp the bike would stumble everwhere and refused to idle. I pulled the plug and it was black. My bike was just dyno'd so i know the tune is good. Switched back to a NGK and bike ran like champ for the rest of the weekend.
 

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Discussion Starter #3
Missed you at the rally! Hope to see you next year.
I ran a E3.38 it is suposed to replace NGK 7, 8, or 9 so not sure how the heat range works. Maybe if you put it in while tuning on a dyno it would work better. As a drop in replacement I dont recommend it
 

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Ya I run them also and I have had better results than with the ngk, better starts for sure. They also have a 3# heat range. Tuning wise I can't tell you if there is a difference or not because when I got got the PC3 I switched to the E3 so Im no good in that department.
 
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