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After reading and reading about which plugs everyone is running in their Darts, I'm still undecided and a little confused on which ones I should run. I have a 2013 Dart GT with the 2.4, and clearly all the parts stores show a different copper plug (the 5224) than everyone here seems to be recommending for their 2.4, (the 5325). Thanks in advance, and sorry if this is redundant, I just want to run the right plug!
 
After reading and reading about which plugs everyone is running in their Darts, I'm still undecided and a little confused on which ones I should run. I have a 2013 Dart GT with the 2.4, and clearly all the parts stores show a different copper plug (the 5224) than everyone here seems to be recommending for their 2.4, (the 5325). Thanks in advance, and sorry if this is redundant, I just want to run the right plug!
Autolite 5224 do not fit, they have been shown to be too small of thread and will not reach properly. As, the 5224 is a much shorter plug and has about 1/3 the threads. If you want to run Autolite Coppers you want to run the 5325's. They are the proper length and fit like a glove within the engine.
 
Autolite 5224 do not fit, they have been shown to be too small of thread and will not reach properly. If you want to run Autolite Coppers you want to run the 5325's. They are the proper length and fit like a glove within the engine.
I just wanted to make sure the 2013 2.4 wasn't a different design than the 2014 and up. Thanks for the clarification! On my way to the parts store now!
 
Autolite 5224 do not fit, they have been shown to be too small of thread and will not reach properly. As, the 5224 is a much shorter plug and has about 1/3 the threads. If you want to run Autolite Coppers you want to run the 5325's. They are the proper length and fit like a glove within the engine.
Started reading through this today and was kinda blown outta the water by page 2. Haha I'm not super technically savvy with spark plugs and AFR's. But from what I understand, copper seems the way to go for me.. When I drive i drive... well like i'm always having fun. WOT here and there but definitely shifting later and driving more aggressively. So from what I understood, it doesn't add HP or TQ (obviously) but allows for much better pedal performance.

I have a 2.0. and i'm not as concerned with longevity or lifespan but the affects of the plugs. Do you know what would suit me best?
 
Started reading through this today and was kinda blown outta the water by page 2. Haha I'm not super technically savvy with spark plugs and AFR's. But from what I understand, copper seems the way to go for me.. When I drive i drive... well like i'm always having fun. WOT here and there but definitely shifting later and driving more aggressively. So from what I understood, it doesn't add HP or TQ (obviously) but allows for much better pedal performance.

I have a 2.0. and i'm not as concerned with longevity or lifespan but the affects of the plugs. Do you know what would suit me best?
Champion RE16MC gapped @ .049", will suit you just fine. If you do more than that it has been proven to show over gapped concerns and will hinder performance. I've found that is the best spark plug you can get for the money as far as coppers. The .049" gap has been the Goldie-Locks of gaps; not too small, not too big, just right for the engine. I've done enough testing with plugs and gaps in my build thread to come to that conclusion, if you'd like to read more on the testing/research aspect of it.

Hopefully this helps you out on your search for plugs and if you do have any other questions, please let me know as I will try and assist as much as I can.
 
Champion RE16MC gapped @ .049", will suit you just fine. If you do more than that it has been proven to show over gapped concerns and will hinder performance. I've found that is the best spark plug you can get for the money as far as coppers. The .049" gap has been the Goldie-Locks of gaps; not too small, not too big, just right for the engine. I've done enough testing with plugs and gaps in my build thread to come to that conclusion, if you'd like to read more on the testing/research aspect of it.

Hopefully this helps you out on your search for plugs and if you do have any other questions, please let me know as I will try and assist as much as I can.

Much appreciated! i'll for sure look into it more. Seriously though, the amount of knowledge you possess on this car is fantastic!
 
good morning ladies and germs,

so i've been doing a lot of research, again, on spark plugs for the 2.0. come to find out the 2013 dodge durango 5.7 and the 2.0 use the same spec plugs. i was able to confirm this by contacting a few dealers like champion, ngk, and e3 and the same plugs they carry for the durango will indeed fit the 2.0.

so with that being said i am not one to leave a theory in the wind so i've been testing a set of the e3 diamond fire spark plugs for almost 2000 miles........what a friggin' difference. the only reason the others are not listed under the dart is because the "manufacturer" recommends iridiums....what about the alternatives!?!?!? the e3's i have pulled after 2000 miles and they still look brand spankin' new. i have had no check engine lights, breakage, or other issues some people have had apparently just really good performance. the mpg is marginal since i am lead foot.....big surprise. to make a long story short any of the following spark plugs will work for the 2.0:

- Autolite Iridium XP - Part # XP5325
- Autolite Double Platinum - Part # APP5325
- Autolite Platinum - Part # AP5325
- Autolite Copper Core - Part # 5325
- Champion Iridium - Part # 9055
- Champion Copper Plus - Part # 446
- Denso Iridium - Part # 3417
- Bosch Fine Wire Iridium - Part # 9673
- Bosch Fine Wire Platinum - Part # 6734
- NGK Laser Platinum - Part # 97606
- NGK Copper Core - Part # 92174
- E3 Spark Plugs Diamond Fire - Part # E3.68

i did the leg work already but if you want to compare all of the spark plug specs to each other you can which you will find they are the same. i just wanted to help out the 2.0 community to some spark plug alternatives. anyways this is drvncrz.....out..............:wink:
I just found this great deal on E3 #68 plugs

Pack of 4 E3 Spark Plugs E3 68 Spark Plug Set of 4 Spark Plugs 4 Pcs | eBay
 
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Champion RE16MC gapped @ .049", will suit you just fine. If you do more than that it has been proven to show over gapped concerns and will hinder performance. I've found that is the best spark plug you can get for the money as far as coppers. The .049" gap has been the Goldie-Locks of gaps; not too small, not too big, just right for the engine. I've done enough testing with plugs and gaps in my build thread to come to that conclusion, if you'd like to read more on the testing/research aspect of it.

Hopefully this helps you out on your search for plugs and if you do have any other questions, please let me know as I will try and assist as much as I can.
Read through the whole thread, still confused after rereading lol.
so for a 2.4 would you still recommend the same combo (Champion RE16MC gapped @ .049")? or is there a different spark plug and gap?
 
Read through the whole thread, still confused after rereading lol.
so for a 2.4 would you still recommend the same combo (Champion RE16MC gapped @ .049")? or is there a different spark plug and gap?
I would definitely and wholeheartedly recommend the Champion RE16MC gapped @ .049". More information can be found in the build thread below if you are thirsty for more copper knowledge.
 
It's been a while since spark plugs became a trending topic, but I figured I would bump it up today (yes, I actually have time (lol)). I did some research over the holiday break (shocking I know), but between the research and the sales, I bought myself some new spark plugs to test out... I ended up following @SolNine's lead from the 7th page here and going with MSD 37304 (3730 if you are buying 1 spark plug *or* 9IR5Y is the other manufacturing part number they go by). Official specs of the MSD 3730 plugs are the following:

[table="width: 500, align: center"]
[tr]
[td]Resistor:[/td]
[td]YES[/td]
[/tr]
[tr]
[td]Manufacturer Heat Range:[/td]
[td]5[/td]
[/tr]
[tr]
[td]Electrode Core Material:[/td]
[td]Copper[/td]
[/tr]
[tr]
[td]Electrode Tip Material:[/td]
[td]Iridium[/td]
[/tr]
[tr]
[td]Gap:[/td]
[td].040"[/td]
[/tr]
[tr]
[td]Spark Plug Thread Size:[/td]
[td]14mm[/td]
[/tr]
[tr]
[td]Spark Plug Reach:[/td]
[td]1.040 in.[/td]
[/tr]
[tr]
[td]Spark Plug Seat Style:[/td]
[td]Gasket[/td]
[/tr]
[tr]
[td]Wrench Diameter:[/td]
[td]5/8[/td]
[/tr]
[/table]

one of the main things that brought me to MSD's was watching the youtube video (can be seen in this post here or on youtube here) as well as this picture:
As you can see and what SolNine was referencing in his posts was the "side gapping" of the plugs themselves. Per MSD, "Small surfaces of the electrodes in the flame core zone substantially limit the amount of heat conducted to the cold electrodes in the initial phase of combustion. At the same time, they do not inhibit spreading of the flame front to the combustion chamber during usual operation." With that being said and the general construction of the plug, I was sold.

WHAT ABOUT HEAT RANGE?!?!?!
View attachment 58077
credit: MSD Spark Plugs! GET'EM IN YOUR HEAD!

These 3730's are at a heat range of 5 on the MSD scale, how that converts is they are going to be in the same heat range as the Autolite 5235 Coppers. So that will put the MSD 3730's right underneath the Champion RE16MC's (the hottest), in terms of testing. ALSO, since I have been running Bosch 9606 which are a significantly colder plug, there will be a change. BUT with the MSD's and the construction and how they are built with the spark plug itself the more powerful spark coupled with a hotter heat range is going to make for some fantastic results on our little 2.0/2.4 engines. At least that is what it is looking like on paper.

Another thing to consider is the gap of the MSD 3730's as they come out of the box as .040". Me, I will be adjusting the gap to meet the stock 2.0 recommendation or .043". While I did run the Champions at a higher gap, I want to go back to the stock gap with the more powerful spark and not cause too much detonation and or cause pre-detonation. I can always go bigger based on the way Aya performs with the stock gap of .043". I don't really like running less than stock gap and this is the reason why I will be adjusting the MSD's when I receive them.

With all of that being said......... I haven't received them yet from Jeg's. They should be arriving in my mailbox on Saturday and I will hopefully get a chance to install them next week. Jeg's had a great sale on them ($32 w/ free shipping (reg. $35)) and I scooped up the deal when I got a chance. @SolNine if you are still out there and would like to give some real world experiences on your MSD's that would be great for the community as I will share my thoughts as well once mine come in and get installed.

Until then if you would like even more information on the MSD brand here is a great .pdf on their website: http://www.msdperformance.com/MSDInYourHead/MSD_Spark_Plug_Home.aspx. As always, if you all have any other questions comments or concerns, please feel free to let me know or reach out to me. :)

@youngsmith53 thanks for all of the information you shared in this area. I decided to go with the MSD 3730's gapped at .43. The stock plugs were all around .45. I've noticed a better difference in the throttle response. I can't compare them to any other plugs based on my experience, but I like the design and how these plugs work compared to others. The MSD 3730's are definitely worth the buy and I'm happy with this purchase, install and results. Thanks again buddy!
 
Hey everyone, just curious did anyone you use a spark plug washer with the champion RE16MC plugs. The oem and the auto life coppers I used had washers. I know these are taped plugs, are they fine as is? Thanks
If they are tapered they are fine. I found out that the Champion RE16MC's were sold with the washers as well as a version without washers that is tapered. It all depends on where you buy them from. I am guessing they went through a revision at some point during the manufacturing process.
 
Are you referring to the crush rings? I have been told that if the new plugs come with the rings, then you are to use them. If not, then they are not needed. I had asked around because I had purchased four plugs and three had the rings and one did not. Had to bring it back.

My OEM 2.4 GT plugs had rings and so did the Autolite Copper plugs I switched to.


***EDIT - To clarify my above statement, a particular model of spark plug may or may not have a crush ring. Please do not confuse my statement that only three of four of the same type of plug came with the rings. In this case, that one plug was missing its ring and needed to be replaced. Sorry if that was confusing.



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I appreciate this post I have use this post as a good guide to finding my own specs for my spark plugs and I just gapped them to .45 when i measured the mopar stock plugs they wasnt pre gapped, they was all at different ranges and it was around 35-40, so its always good to check. The last time it was installed the mechanic didnt check the gapping . Smh. However luckily for me I always have my own tools. I haven't driven the car yet to test out if it is better on throttle at 45 or if it would be better on 43, I do have preformace parts and I tend to hit the highways alot in nyc. I'm going to take a little drive up to pa this weekend. So I'll will know for sure if it improves anything, I will be changing the oil as well to 0w20 tomorrow 🙏🏼🤗 super excited and cant wait to share. For these who are maybe curious, I have a 2014 gt 2.4l performance exhaust, no mufflers, and a injen. I'll include a photo of my girl. Diana
 

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