Is anyone running the E3 spark plug?
Ultimate HDF Member
Joined: Dec 2008
Posts: 5,120
Likes: 17
From: Indiana
Well that has to be the dumbest response to anything ever. So much for going to the source to get an answer. Honestly I still don't think it's a problem, my bike still runs better then it did with stockers and I'm leaving it that way. Anyways here's the response I got from delphi!!!
"Thank you for contacting delphi.com.
You will want to contact the Harley-Davidson dealership for further assistance. If Delphi manufactured the ignition system, they built it to Harley-Davidson specifications.
Sincerely,
delphi.com Customer Service"
"Thank you for contacting delphi.com.
You will want to contact the Harley-Davidson dealership for further assistance. If Delphi manufactured the ignition system, they built it to Harley-Davidson specifications.
Sincerely,
delphi.com Customer Service"
Last edited by JaronB; Feb 26, 2011 at 09:52 AM.
Thread Starter
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Cruiser
Joined: Jan 2010
Posts: 188
Likes: 0
From: Topeka, Ks
Well I ran the E3's for a couple weeks and changed them out for Harley Platinums the other day. Didn't have a lot of trouble with the E3 but seemed my scoot didn't start as well. With the Harley Platinum's it seems to start easier than even the stockers and has a crisper throttle response. Would definately recommend the Harley Platinum's.
Tourer
Joined: Sep 2009
Posts: 467
Likes: 0
From: Lancs, England
There was HUGE thread about these iridium plugs recently and general consensus was that they're a waste of money, but I liked the theory behind them so thought I'd give them a try. They've not set the the world alight in some magnificent revelation of wonderfulness as claimed by some users, but yes they have undoubtably made a difference to the way the bike starts and as I say the plug colour (now a lovely light biscuity / brown compared to the O/E which were always black around the outside although the centre was ok) is improved which makes me happy. Plus, I got them for not much more than a new set of originals would have cost so a good move all round really. I'll def be staying with them now.
Derv
Last edited by Derv; May 19, 2011 at 04:15 AM.
Road Warrior
Joined: Apr 2010
Posts: 1,739
Likes: 10
From: Suffolk, England
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Outstanding HDF Member
Joined: Sep 2008
Posts: 2,408
Likes: 1
From: pottsville,pa
I think the only people that get that kind of benefit from different plugs are swapping some old busted 5000 mile old plugs for shiny new ones. Instead of the obvious, that they had old tired plugs replaced by new ones, they say that the new brand is superior cos the bike runs better now .
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Road Master
Joined: Jul 2006
Posts: 754
Likes: 2
From: New Bern, NC
My Indy uses regular HD plugs on my bike. I've had the SE plugs and others, but he says he gets the best heat range out of the stock plugs. He dyno's my bike and shows me the different colors on the plug as well.
Heck, I want the latest and greatest gadgets too.
Heck, I want the latest and greatest gadgets too.
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Tourer
Joined: Feb 2008
Posts: 258
Likes: 2
From: Millington NJ
I have installed E3 spark plugs about a week ago. The effect, was that it seem to burn more of the available fuel, resulted in increased combustion efficiency and more power at the low end. This lasted about a week. I purchase them for easy starts. The bike seem to start harder now then it did the first week. Seems I have to choke valve more then I did before. I mitt tried a different plug.
Seasoned HDF Member
Joined: Dec 2010
Posts: 7,736
Likes: 1,524
From: Coromandel Peninsula New Zealand
I read this thread and went out and bought a set of iridiums to replace my 900 mile old NGKs and they do everything I expected of them...better starting, crisper at low revs and just all round better...I am a convert now!