New NGK DCPR9EIX plug gap?

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qhrjsdl

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Sep 23, 2012
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i bought NGC DCPR9EIX plugs.

I will put them soon, Should I adjust gap to 0.35 ? it is 0.25 factory gaped.

Should I gap to 0.35? or just put it in ? is it ok?
 
some people say it should be 0.35,

some people say just put it in. no issue.

any experiences ?
 
oh sorry not 0.25 and 0.35. .025 , .035.


If i just put with .025, it will be a problem?
 
a smaller gap is poor for combustion. its best to run as large as gap as possible without damaging the coil and creating a weak spark.
 
gap it to .032 -.035, .025 is too small, iridium plugs have less resistance than factory coppers, your coil has more than sufficient voltage and current to perform effectively at .035 with an iridium.
 
.035 it is BUT use caution when gapping. by that i mean be very careful sliding your feeler gauge in between the ground electorde and center iridium electrode as center electrode is delicate.
 
i say just throw em in. I have never had an issue by not gaping a plug. Unless they are dropped on the floor and they get bent, it should be fine.
 

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