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E3 Spark Plugs for Harleys

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  #11  
Old 06-20-2011, 01:53 PM
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terryrh terryrh is offline
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You are very welcome.
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  #12  
Old 06-20-2011, 07:59 PM
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If those E3's have about 25k ohms internal resistance - which I doubt - they'll work fine.
Otherwise your knock sensing system will be inoperative - same is true for most other
plugs except Champion RA8HC's. Go here for a detailed explaination of system operation.

http://www.hdforums.com/forum/engine...explained.html
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  #13  
Old 02-03-2012, 10:30 PM
wildsting wildsting is offline
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I'm goin to give them a try got HD in there now they cost me $20& last year and the E3.36 cost me only around 6$ each
my ride is an 08 road king with Arlen Ness Big Sucker stage 1 V&H monster ovals and dynajet power commander 3 usb
hope it all comes together , can't complain about the ride now just seems I'm always looking for more
Ride safe
Oldschool
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  #14  
Old 02-05-2012, 09:21 AM
wildsting wildsting is offline
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Default E3.36 cost over HD ngk champion

I was looking to get these and could never find them at a fair price then I found them on Amazon I paid $5.95 each and the cost at HD for stock was around $20 for a pair i also got my oil filter on line K&N kn171c for $11.68 and have paid up to $27 for stock what gives!
Oldschool
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  #15  
Old 03-04-2012, 10:32 PM
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I hear after a few weeks, they burn just like a stock plug. Id like to see proven test for long term. I have seen Test that new ones do increase MPG's, HP, and lower emisions. I WANT TO SEE LONG TERM
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  #16  
Old 03-31-2012, 10:09 PM
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Quote:
Originally Posted by XXXRacing View Post
Worst plugs ever.stick to stock Harley or NGK. Had a Honda civic that worked on with a misfire. It had brand new E3 plugs in it. Put stock plugs back in it and it ran fine.
i know several people that run E3 plugs without issue any manufacturer can produce defective plugs just because 1 was bad doesnt mean they all are..
ive run stock harley plugs, harley gold and platinums all run the same..im going to try a set of E3's next based on so many good reports and recomendations from freinds ..they are no different than the mazda rx3 plugs of the 70's ..the idea being if the spark fouls at 1 point it has 2 more to choose from instead of jumping out a plug wire at the nearest metal surface,and this is why they would get better gas milage and hp cuz all plugs misfire at somepoint when running the less that happens the better the power and fuel economy.
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  #17  
Old 04-26-2012, 07:41 PM
articsilber323 articsilber323 is offline
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ive used both same all around
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  #18  
Old 04-26-2012, 07:45 PM
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From my experience for everyday riding, stick with the factory recommendations.
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  #19  
Old 04-26-2012, 07:50 PM
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Quote:
Originally Posted by wildsting View Post
I was looking to get these and could never find them at a fair price then I found them on Amazon I paid $5.95 each and the cost at HD for stock was around $20 for a pair i also got my oil filter on line K&N kn171c for $11.68 and have paid up to $27 for stock what gives!
Oldschool


Harley/Champion plugs are like $4/set.
Harley's black filter is $7.
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  #20  
Old 05-02-2012, 09:21 AM
Maverick70 Maverick70 is offline
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Default E3's

I have an 07 street bob with a hyper charger, shorty's and race tuner. My bike use to backfire on decel bad util I tried the e3 plugs. I don't know if it did anything for power or fuel economy, but I had my 20k recently done and they used stock plugs. I'm backfiring again. I'm going back to the e3's.
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