e3 plugs
08-05-2014, 02:28 PM
#2
MM Gruppe B
Re: e3 plugs
I don't care for them as the electrodes seem to block off a large area. And the idea is not much different from the old Split Fire plugs which they evolved from. But one of the neighbor kids swears by them in his '02 WRX.
IMO Iridium plugs are more than adequate for a stock normally aspirated engine.
IMO Iridium plugs are more than adequate for a stock normally aspirated engine.
08-06-2014, 07:53 AM
#4
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Re: e3 plugs
. if u want to spend that much or more on plugs go right ahead. NGK V-power (stock) plugs are $2 and G-power (platinum) are $3 +/-. customer reviews should always be considered before buying something ur not sure about
08-06-2014, 01:05 PM
#5
MM Gruppe B
Re: e3 plugs
Ideally the electrodes stay sharp to allow a consistent gap. More electrodes = less wear/more longevity out of a plug.
U-groove/NGK V plugs have a U grooved into the ground electrode. This increases the amount of sharp edges from three to six.
Later model plugs had a more conical electrode top to promote a more area consistent start of the spark.
Splitfire/E3 plugs allow the spark to be better exposed to the air/fuel mixture, like the +4 plugs the multiple points for the spark to jump can make for an inconsistent spark location.
Originally spark plugs used a Nickel based center electrode, but different heat ranges were required for different driving conditions, cold start, stop and go, highway cruising, all have different requirements. By the late 70's with emissions controls also requiring better spark control, copper plugs replaced the old Nickel plugs. Better thermal and electrical conduction greatly improved durability and drive-ability. Before this, high speed glazing, or fouling of the plugs was a common problem requiring frequent tuneups.
What all the above plugs is the center electrode is made of copper. Usually a large cylinder and flat top, some have a conical shaped tip. Not the best for a consistent spark jump. When the center electrode wears it usually becomes spherical as the sharp edges(where the spark jumps from) erode away from spark, and the preset gap opens.
Iridium plugs have a very fine wire center electrode.
Iridium does not wear like typical copper and can easily last 80-100K miles with little/no wear.
Time needed to saturate the center electrode is less. Allowing for more precise spark ignition timing.
The fine center electrode needs less time to conduct heat and voltage allowing for a more consistent and stronger spark than from conventional coppers. This also reduces stresses on other parts of the system such as coil and plug wires. More energy can be put into the actual spark rather than energy wasted in saturating of the center electrode.
08-06-2014, 06:14 PM
#6
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Re: e3 plugs
Iridium plugs are $7-10 a piece. those are the cream of the crop as far as plugs go . if u want to spend that much or more on plugs go right ahead. NGK V-power (stock) plugs are $2 and G-power (platinum) are $3 +/-. customer reviews should always be considered before buying something ur not sure about
. if u want to spend that much or more on plugs go right ahead. NGK V-power (stock) plugs are $2 and G-power (platinum) are $3 +/-. customer reviews should always be considered before buying something ur not sure about
08-06-2014, 06:18 PM
#7
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Re: e3 plugs
Nope. Problem with these plugs is the three additional ground electrodes block the spark kernel to the air/fuel mixture.
Ideally the electrodes stay sharp to allow a consistent gap. More electrodes = less wear/more longevity out of a plug.
U-groove/NGK V plugs have a U grooved into the ground electrode. This increases the amount of sharp edges from three to six.
Later model plugs had a more conical electrode top to promote a more area consistent start of the spark.
Splitfire/E3 plugs allow the spark to be better exposed to the air/fuel mixture, like the +4 plugs the multiple points for the spark to jump can make for an inconsistent spark location.
Originally spark plugs used a Nickel based center electrode, but different heat ranges were required for different driving conditions, cold start, stop and go, highway cruising, all have different requirements. By the late 70's with emissions controls also requiring better spark control, copper plugs replaced the old Nickel plugs. Better thermal and electrical conduction greatly improved durability and drive-ability. Before this, high speed glazing, or fouling of the plugs was a common problem requiring frequent tuneups.
What all the above plugs is the center electrode is made of copper. Usually a large cylinder and flat top, some have a conical shaped tip. Not the best for a consistent spark jump. When the center electrode wears it usually becomes spherical as the sharp edges(where the spark jumps from) erode away from spark, and the preset gap opens.
Iridium plugs have a very fine wire center electrode.
Iridium does not wear like typical copper and can easily last 80-100K miles with little/no wear.
Time needed to saturate the center electrode is less. Allowing for more precise spark ignition timing.
The fine center electrode needs less time to conduct heat and voltage allowing for a more consistent and stronger spark than from conventional coppers. This also reduces stresses on other parts of the system such as coil and plug wires. More energy can be put into the actual spark rather than energy wasted in saturating of the center electrode.
Ideally the electrodes stay sharp to allow a consistent gap. More electrodes = less wear/more longevity out of a plug.
U-groove/NGK V plugs have a U grooved into the ground electrode. This increases the amount of sharp edges from three to six.
Later model plugs had a more conical electrode top to promote a more area consistent start of the spark.
Splitfire/E3 plugs allow the spark to be better exposed to the air/fuel mixture, like the +4 plugs the multiple points for the spark to jump can make for an inconsistent spark location.
Originally spark plugs used a Nickel based center electrode, but different heat ranges were required for different driving conditions, cold start, stop and go, highway cruising, all have different requirements. By the late 70's with emissions controls also requiring better spark control, copper plugs replaced the old Nickel plugs. Better thermal and electrical conduction greatly improved durability and drive-ability. Before this, high speed glazing, or fouling of the plugs was a common problem requiring frequent tuneups.
What all the above plugs is the center electrode is made of copper. Usually a large cylinder and flat top, some have a conical shaped tip. Not the best for a consistent spark jump. When the center electrode wears it usually becomes spherical as the sharp edges(where the spark jumps from) erode away from spark, and the preset gap opens.
Iridium plugs have a very fine wire center electrode.
Iridium does not wear like typical copper and can easily last 80-100K miles with little/no wear.
Time needed to saturate the center electrode is less. Allowing for more precise spark ignition timing.
The fine center electrode needs less time to conduct heat and voltage allowing for a more consistent and stronger spark than from conventional coppers. This also reduces stresses on other parts of the system such as coil and plug wires. More energy can be put into the actual spark rather than energy wasted in saturating of the center electrode.
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