N.G.K. Iridiums
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Road Warrior
Joined: Mar 2009
Posts: 1,837
Likes: 46
From: Macomb MI
N.G.K. Iridiums
Hey guys anyone use this plugs?I use to run those on my warrior for at list 21k miles and thy performed great,let me know how thy performs on the Harley engine and where you got them from.
thanks
thanks
Outstanding HDF Member
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From: NJ
After seeing this........I will have to try them http://www.youtube.com/watch?v=0A9_7...layer_embedded
Tourer
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From: Northwest PA
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Sosha, a little known fact is 2005 and later Harley-Davidson EFI systems incorporate an "Anti-knock" feature that operates by reading the current resistance through the spark plugs.
The use of any other spark plug other than 'Stock' (6R12) disables the anti-knock feature.
(Yes, that means the Gold, Platinum and SE plugs will also disable this function)
Just a heads up.
The use of any other spark plug other than 'Stock' (6R12) disables the anti-knock feature.
(Yes, that means the Gold, Platinum and SE plugs will also disable this function)
Just a heads up.
Road Master
Joined: May 2006
Posts: 941
Likes: 27
From:
Sosha, a little known fact is 2005 and later Harley-Davidson EFI systems incorporate an "Anti-knock" feature that operates by reading the current resistance through the spark plugs.
The use of any other spark plug other than 'Stock' (6R12) disables the anti-knock feature.
(Yes, that means the Gold, Platinum and SE plugs will also disable this function)
Just a heads up.
The use of any other spark plug other than 'Stock' (6R12) disables the anti-knock feature.
(Yes, that means the Gold, Platinum and SE plugs will also disable this function)
Just a heads up.