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Old 01-07-2010, 08:39 PM
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E3 spark plugs

Someone suggested to me to use the new E3 spark plugs in my chevy 350. Anyone use them before or are using them now and can give me some insight

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Old 01-07-2010, 09:30 PM
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.. in all honesty, do not take that persons advice. a good single prong plug will do much better
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Old 01-07-2010, 09:34 PM
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thanks

Thanks man that's good to know
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Old 01-07-2010, 10:02 PM
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I see the tv shows on spike and speed channels all pushing these things. My guess is they are paid to do so. Every time you see them run a dyno test on Hot Rod TV or one of the others they always mention using them.
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Old 01-08-2010, 07:44 AM
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Those shows were worth watching before they turned into "Parts Pimps". Now it's 10min. of show & 20min. of commercials.
E3's may benefit an MPG ride but I wouldn't use them for any kind of performance engine.
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Old 01-08-2010, 08:30 AM
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Regular plugs are what you want to use rather than the gimmicky others. Basic rule of electricity: Current will follow the path of least resistance. Over time only one of those prongs will have the path of least resistance.

Vince
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Old 01-08-2010, 09:17 AM
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Quote:
Originally Posted by 302 Z28
Regular plugs are what you want to use rather than the gimmicky others. Basic rule of electricity: Current will follow the path of least resistance. Over time only one of those prongs will have the path of least resistance.

Vince


Good point !
Who wants to change plugs in this weather anyway ?!


454 RATTLER
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Old 01-08-2010, 10:13 AM
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AC Rapidfire (smoother idle and a better throttle response in newer GM engines), or other 'small pointy electrode' spark plug. This doesn't shroud the spark and initial flame front. I don't think it results in much power, about the same as a KN drop in filter.
NGK (works in most anything so long as you use the right PN)
Champs are pretty good.

If you're a 'patriotic minded buyer' like me, in my experience the small engine champs are still made here in the USA. The regular car champs are made in mexico, but the higher end plugs 'truck' plugs, platinum, whatever.. are made in USA as well. Most AC delco plugs are made here, as is ought-to-lite, but I don't like those. I know I mentioned NGK, I don't think many are made in the USA, all Japan, but they have a very good reputation.

E3, Bosch platinum +whatever... seems gimmicky. The more stuff you have over the center electrode the more you shroud the spark, and the less air fuel mixture can get close to it.
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Old 01-08-2010, 11:58 AM
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Quote:
Originally Posted by The Raven
Someone suggested to me to use the new E3 spark plugs in my chevy 350. Anyone use them before or are using them now and can give me some insight
Aircraft engines use multi-point plugs, the reason isn't a better light off of the mixture; the additional points are a CYA in-case a lone ground point were to fall off from the plug there would be a back up.

Somehow this configuration filtered into the automotive world as a performance enhancement. Actually, if you figure that a given amount of electrical energy is now dissipated across 2, 3, or 4 gaps instead of one, it's possible to argue that such a configuration is actually more likely to miss fire. In truth, the spark simply takes the path of least resistance, tending to use but one of the electrodes.

Bogie
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Old 01-08-2010, 01:09 PM
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Originally Posted by oldbogie
Aircraft engines use multi-point plugs, the reason isn't a better light off of the mixture; the additional points are a CYA in-case a lone ground point were to fall off from the plug there would be a back up.Bogie
Aircraft engines also have dual ignition systems.

Vince
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Old 01-08-2010, 02:43 PM
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yep. wouldn't wan't to be 30k feet up and have an ignition faliure
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Old 01-08-2010, 03:00 PM
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Originally Posted by matt167
yep. wouldn't wan't to be 30k feet up and have an ignition faliure
You could glide a long way from 30K feet.

Vince
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Old 01-08-2010, 05:47 PM
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Quote:
Originally Posted by 302 Z28
Aircraft engines also have dual ignition systems.

Vince
Some fire trucks/rescue vehicles have two complete ignition systems.
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Old 01-08-2010, 06:04 PM
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Never used the E3s, but I've seen just about every gimmick plug they have come out with, never seen one yet that worked as good as or better than an NGK or Autolite. All my car stuff gets Autolites, unless it's a nitrous motor, then they get NGKs, and my boat motors and 2 strokes get NGKs,
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Old 01-08-2010, 08:04 PM
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Quote:
Originally Posted by ChevelleSS_LS6
AC Rapidfire (smoother idle and a better throttle response in newer GM engines), or other 'small pointy electrode' spark plug. This doesn't shroud the spark and initial flame front. I don't think it results in much power, about the same as a KN drop in filter.
NGK (works in most anything so long as you use the right PN)
Champs are pretty good.

If you're a 'patriotic minded buyer' like me, in my experience the small engine champs are still made here in the USA. The regular car champs are made in mexico, but the higher end plugs 'truck' plugs, platinum, whatever.. are made in USA as well. Most AC delco plugs are made here, as is ought-to-lite, but I don't like those. I know I mentioned NGK, I don't think many are made in the USA, all Japan, but they have a very good reputation.

E3, Bosch platinum +whatever... seems gimmicky. The more stuff you have over the center electrode the more you shroud the spark, and the less air fuel mixture can get close to it.
Several weeks back I changed the plugs in the 4.3 Bravada my kids drive. I removed a set of Autolite's from the boxes got my glasses so I could see when I checked the gaps and happened to read the box...Made In China Pixxed me off, looks like I will be shopping for a different brand next time I need to change plugs.
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