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Discussion Starter #1
i was woundering what the diffrence was between a BR9EYA and a BR9ES? The BR9EYA came stock with my sled and the guy who rebuilt my engine gave my engine back to me with BR9ES plugs in it.
 

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They are primarily identical, the only difference is that the EYA's are not supposed to foul (or not as easily anyway), or so I'm told. I ran EYA's in my F3 and fouled them just as easy as the ES's.

It shouldn't matter which one you run...
 

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Originally posted by Quinlan
[br]They are primarily identical, the only difference is that the EYA's are not supposed to foul (or not as easily anyway),
It shouldn't matter which one you run...
what he said
 

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From what i remember the EYA has a slightly different center electrode which helps with fouling. They are a direct replacement for ES plugs. I havent fouled an EYA plug yet.
 

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Discussion Starter #5
thanks guys
 

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Look at the electrode on the EYA, you'll see there is a "V" notched in the end of it.

That's the difference.
 
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