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Old 09-04-2012, 10:47 PM   #151
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Originally Posted by Deerhunter4

Shouldn't be a problem. There are some here who have regapped without a tune with good results.
Ok thanks for the info
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Old 09-04-2012, 10:49 PM   #152
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Still don't understand one thing. Sorry to sound dumb. But if I buy new replacement plugs based on what owners manual tells me will they automatically have the optimum gap we are looking for or will they need to be adjusted. Would like to just buy new plugs that are ready to be installed and don't need to be tinkered with. I'll read the entire thread again also in case this has already been mentioned. Thanks
You should always check the plug gap before you install the plug.
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Old 09-04-2012, 10:53 PM   #153
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Sluggo it will run fine at .32. Are you having a issue or just want to? I imagine it's fine at .35.
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Old 09-04-2012, 10:54 PM   #154
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Originally Posted by chalybs
Sluggo it will run fine at .32. Are you having a issue or just want to? I imagine it's fine at .35.
Truck seems to be fine. No issues in the 4000 miles since I bought it new but am just curious and want to check. If they are in the .035 range I will just leave them alone. Anything more and I'll gap them down a bit.
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Old 09-07-2012, 03:47 AM   #155
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All iridium/platinum tip plugs have the warning on them that they are fragile and shouldn't be adjusted. It's fine to do it as long as you don't put any force on the electrode tip (start at the smallest feeler and work your way up, you'll eventually get the hang of it)

About the antiseize, if you're going to do it use the copper stuff and use only the smallest dab of it. You don't want to jam up the threads.

I personally don't use any because the torque for plugs is so light. Depending on the metals and other stuff in the antiseize you might actually get some galvanic corrosion happening anyway thus defeating the whole purpose of putting in on in the first place.

Spark plugs should be considered a wear item and replaced regularly such as every 2-4 oil changes. "Long-life" plugs, to me anyway, were created as a crutch to poor engine serviceability designs.
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Old 09-07-2012, 03:49 AM   #156
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I haven't checked yet, is the Ecoboost ignition system coil on plug, wasted spark?
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Old 09-07-2012, 07:52 AM   #157
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Quote:
Originally Posted by VoiceOfReason
All iridium/platinum tip plugs have the warning on them that they are fragile and shouldn't be adjusted. It's fine to do it as long as you don't put any force on the electrode tip (start at the smallest feeler and work your way up, you'll eventually get the hang of it)

About the antiseize, if you're going to do it use the copper stuff and use only the smallest dab of it. You don't want to jam up the threads.

I personally don't use any because the torque for plugs is so light. Depending on the metals and other stuff in the antiseize you might actually get some galvanic corrosion happening anyway thus defeating the whole purpose of putting in on in the first place.

Spark plugs should be considered a wear item and replaced regularly such as every 2-4 oil changes. "Long-life" plugs, to me anyway, were created as a crutch to poor engine serviceability designs.
Good info, thanks.

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Originally Posted by VoiceOfReason
I haven't checked yet, is the Ecoboost ignition system coil on plug, wasted spark?
Yes, cop. Could you explain wasted spark? Thanks
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Old 09-07-2012, 08:07 AM   #158
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...Yes, cop. Could you explain wasted spark? Thanks
Wasted spark is when the plug fires at the end of the the compression stroke, but also at the end of the exhaust stroke. The spark during the exhaust stroke does nothing, which is why it is called "wasted". It's sometimes easier to fire the plug every revolution. For instance, if 2 cylinders are at TDC at the same time, but don't fire at the same time, you can use one signal for both and waste one spark every revolution. Also, if you have a crank position sensor but no cam position sensor, then the ECM doesn't know if you're on compression or exhaust so it will fire both times and one will be wasted.

I would be surprised if the EB is a wasted spark design because it uses individual cylinder control and has cam position sensors, so the ECM knows which stroke each cylinder is on and they each have their own coil.

Last edited by engineermike; 09-07-2012 at 08:13 AM.
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Old 09-08-2012, 10:46 AM   #159
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Anymore feedback?
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Old 09-08-2012, 11:20 AM   #160
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Anymore feedback?
Does anyone know if the Ford plugs are iridium? When I pulled mine, it looked like they were iridium, but I could be wrong. If they are, I am pretty impressed that Ford would do that from the factory.
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