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Spark plugs

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Old 01-07-2022, 11:21 AM
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Default Spark plugs
Just curious about these G3 spark plugs are they any good ,or just a gimmick?
 
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01-11-2022, 01:22 PM
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A while back I decided to change out my plugs. I'm not gonna pay Harley $10 for a $3 Champion plug ,so I went to the napa (No auto parts available) store. The didn't have any plugs. Then I went to advance auto parts, the didn't have any either. I said what you got that's close, they gave me a set of NGK plugs. The were gapped correct right out of the box. I put them in and they worked / ran fine. I noticed 20-30 more HP along with 50 lbs more lbs of torque. I noticed women seemed more attracted then ever to me. And i was getting more free stuff in the mail. I got a raise at work, and a letter from the government saying they were sorry about a mistake they made on my taxes, and gave me a big refund, with an extra 10% for my inconvenience. Those new NGK plugs are really something.,,,
 
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Old 01-07-2022, 11:27 AM
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Don't waste your money.
 
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Old 01-07-2022, 11:34 AM
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The spark plugs all do the same job. Go the the HD counter, buy the plugs when the service interval hits. Check the gap and adjust accordingly, and ride on. The air pressure in your tires affects your mileage and power more than the spark plugs do.
 
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Old 01-07-2022, 12:52 PM
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as said, standard plugs from the dealership are what you should be using...
 
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Old 01-07-2022, 01:04 PM
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Originally Posted by TBL2021
Just curious about these G3 spark plugs are they any good ,or just a gimmick?
not my experience, but read about another forum member who put them in and they both galled the threads in the spark plug holes when he removed them mere days later. I wouldn't even try them if you paid me to...

Edit, I guess his issue was with E3 spark plugs. Didn't look any of them up to see what they were, but here's a link to his thread if it matters
https://www.hdforums.com/forum/general-harley-davidson-chat/1282681-e3-spark-plugs-problem.html
 
Last edited by d_slat; 01-07-2022 at 01:08 PM.
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Old 01-07-2022, 01:13 PM
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Originally Posted by TBL2021
Just curious about these G3 spark plugs are they any good ,or just a gimmick?

Snake oil
 
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Old 01-07-2022, 01:24 PM
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Thanks to everyone that replied that’s all the info I needed !
 
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Old 01-07-2022, 02:20 PM
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Add up to 10HP and 10 MPG ! LOL


 
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Old 01-07-2022, 02:55 PM
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I was just looking tor info on a spark plug to know if they were good plugs or not I have always ND plugs and I am not stupid or new to Harley’s so please keep the bullshit comments to your self
 
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Old 01-07-2022, 03:12 PM
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Originally Posted by TBL2021
I was just looking tor info on a spark plug to know if they were good plugs or not I have always ND plugs and I am not stupid or new to Harley’s so please keep the bullshit comments to your self
LOL

Thats funny!
Are you in snow?
 
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