2.0L Magnum Coil On Plug

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dieseldak
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2.0L Magnum Coil On Plug

Post by dieseldak » Thu Dec 02, 2010 2:39 pm

Well last weekend I went to the junkyard and grabbed a set of 2000 Intrepid 2.7L coils. I figured i would go ahead and make a coil on plug set-up for the wifes car. Not for any real performance gains, cause there likely wont be any, but just cause I have yet to see C.O.P on a SOHC car and figured why not.

I used a piece of 1/4" aluminum and using a cardboard template I made, I cut out a bracket that would bolt into the stock coil pack location and then bend over the valve cover to hold the coils into the spark plug tubes.

The main reason nobody has done this on a SOHC is that the spark plugs are so far into the head that the COP boots arent long enough. I used a set of boots off of a 2001 Honda Passport, they are 142mm long and fit perfectly onto our plugs.

For wiring I just wired them up in series, its still wasted spark but it has to be atleast alittle more efficient than stock. Otherwise all the car manufactures wouldnt be moving to this kind of setup.

Im going to try it for a few thousand kms and if all is good ill do a how-to write up, material list and bracket dimmensions for everyone who wants to do it themselves. I like it, it runs phenominal and I dont foresee any issues.

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Last edited by dieseldak on Thu Dec 02, 2010 10:24 pm, edited 1 time in total.
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Post by ZeroChad » Thu Dec 02, 2010 6:46 pm

Well done! I was growing tired of waiting for the guy on neons.org to figure out what he was doing with it.
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Post by dieseldak » Thu Dec 02, 2010 8:05 pm

Yeah this was pretty straight forward, plus I have no intentions of making any money off of it. If it holds up to a month or so of hard abuse ill post up exactly how to do it and what you need...............I have less than $60 in this whole setup.
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Post by Ntyvirus1 » Thu Dec 02, 2010 10:39 pm

hopefully it works well, looks damn good.
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Post by NickKo » Sat Dec 04, 2010 10:54 am

Following this thread for the results ! :withstupid:

Great job, done on the cheap, with junkyard parts..... the MoPAR way. :thumbup: :thumbup:


- Nick
-1998 2-dr SOHC MTX= 57mm TB; Maddog STS
-2000 Ply.LX w/MTX = Maddog STS; CAI; 2.5 exh.; 60mm T/B
-2001 ATX w/Syked PCM + Magnum header
-2001 ACR w/SRT T/B bored out to 55mm

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Post by jaxmadine » Sun Dec 05, 2010 8:24 pm

How did u make the 3 wires hook up to the 2 on the coilpack? I've always wondered how to do it with a 2.7 coil. The toyota ones are uber easy to do.

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Post by Neon4Life » Sun Dec 05, 2010 9:14 pm

O wow. Loooks good. Keep us updated.
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Post by racer12306 » Sun Dec 05, 2010 9:24 pm

If you know the right people you could CNC a nice design into the coil pack area.

Could be a really fancy looking piece with a few touches.

Even if you bought new coils you would "only" have $100 in the coils plus the other materials.


So I guess the big question is...

Does this provide any benefits?
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Post by occasional demons » Mon Dec 06, 2010 12:55 am

Bling. :D

The dwell time is still going to be the same as the two coils normally used.

But "Not for any real performance gains, cause there likely wont be any, but just cause I have yet to see C.O.P on a SOHC car and figured why not." So it isn't like dieseldakhad high hopes there. More of the thrill/satisfaction of doing it.

As long as it doesn't add any additional load on the coil drivers, it shouldn't hurt, if it doesn't really help. The one benefit, is if you lose one coil, you may not lose two cylinders.

IIRC, there was another thread a while back...
Pics are missing tho.
viewtopic.php?t=46872


From uncommon© SRT Forums:
Does this help?

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Post by dieseldak » Mon Dec 06, 2010 9:14 am

That is very similar but not exactly the same as how I wired them up
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Post by 00Neon RCR » Mon Dec 06, 2010 10:21 am

that looks SICK! have any pictures of them removed so we can see the boots too?!

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Post by NickKo » Mon Dec 06, 2010 11:00 am

racer12306 wrote:
So I guess the big question is...

Does this provide any benefits?
*Theoretically*, this could provide some benefits.
But they would be minuscule.

Are the benefits worth it ?
I guess it is up to the individual.
'Real-world results', either in MPG improvements or a dyno comparison, would help people to choose.


I would not expect a COP setup, to make the car into a horsepower monster or anything.
It would maybe give improvements to idle quality, and driveability. (Better throttle response at part-throttle & cruising speeds.)

Personally, I would run such a setup on one of my own Neons, if there were benefits to the idle quality & driveability. Who wouldn't want a smoother running engine ?? :thumbup:


- Nick
-1998 2-dr SOHC MTX= 57mm TB; Maddog STS
-2000 Ply.LX w/MTX = Maddog STS; CAI; 2.5 exh.; 60mm T/B
-2001 ATX w/Syked PCM + Magnum header
-2001 ACR w/SRT T/B bored out to 55mm

Official "I'm Going to Drive My Neon till it Dies" Club #000009

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Post by occasional demons » Mon Dec 06, 2010 5:47 pm

If you ran a different controller, to sequentially fire them, sure there will be benefits. The dwell time would be much longer, allowing more coil saturation. That was the big improvement just going from points to transistor ign. But using them in wasted spark is taking a very large percentage of that away. They may still have better spark power availability at low to mid RPM tho. I doubt there would be any real gains at higher rpm, where a sequential set up would out shine the wasted spark.

But remember, the spark is only going to be as good as the demand, until the demand exceeds the coil's output. If these are capable of the 60,000 volts claimed, a larger gap could be run, but the sparkplug life will be degraded.
Bill
Probably shouldn't listen to anything your penis says, that guy's a dick.
Patience, of course, is a very powerful weapon, but sometimes I start to regret that it is not a firearm.
Too much time spent here is a sign of a bad case of Ownaneonvirus.

2000 Neon MTX swap with '02 R/T PCM
1999 neon coupe 2.4 swap

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Post by jaxmadine » Mon Dec 06, 2010 8:09 pm

I know cop gets rid of breakup at higher rpms with the miata. Prolly does the same thing for the neon as well. Once I nab mine ill get them installed, my wires are garbage, and I can get coils for free.

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Re: 2.0L Magnum Coil On Plug

Post by occasional demons » Mon Dec 06, 2010 8:47 pm

Just remember:
dieseldak wrote: The main reason nobody has done this on a SOHC is that the spark plugs are so far into the head that the COP boots arent long enough. I used a set of boots off of a 2001 Honda Passport, they are 142mm long and fit perfectly onto our plugs.
Prestolite 186029 Coil Connector, is the PN for the Honda part.
Bill
Probably shouldn't listen to anything your penis says, that guy's a dick.
Patience, of course, is a very powerful weapon, but sometimes I start to regret that it is not a firearm.
Too much time spent here is a sign of a bad case of Ownaneonvirus.

2000 Neon MTX swap with '02 R/T PCM
1999 neon coupe 2.4 swap

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Re: 2.0L Magnum Coil On Plug

Post by NickKo » Mon Dec 06, 2010 9:27 pm

occasional demons wrote:Just remember:
dieseldak wrote: The main reason nobody has done this on a SOHC is that the spark plugs are so far into the head that the COP boots arent long enough. I used a set of boots off of a 2001 Honda Passport, they are 142mm long and fit perfectly onto our plugs.
Prestolite 186029 Coil Connector, is the PN for the Honda part.
Way Cool, Bill. :thumbup:

Where do you come up with this information ?? :D


- Nick
-1998 2-dr SOHC MTX= 57mm TB; Maddog STS
-2000 Ply.LX w/MTX = Maddog STS; CAI; 2.5 exh.; 60mm T/B
-2001 ATX w/Syked PCM + Magnum header
-2001 ACR w/SRT T/B bored out to 55mm

Official "I'm Going to Drive My Neon till it Dies" Club #000009

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Post by occasional demons » Mon Dec 06, 2010 10:22 pm

ebay search. :lol:
Bill
Probably shouldn't listen to anything your penis says, that guy's a dick.
Patience, of course, is a very powerful weapon, but sometimes I start to regret that it is not a firearm.
Too much time spent here is a sign of a bad case of Ownaneonvirus.

2000 Neon MTX swap with '02 R/T PCM
1999 neon coupe 2.4 swap

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Post by NickKo » Mon Dec 06, 2010 10:27 pm

occasional demons wrote:ebay search. :lol:
Hey, whatever works.... :oops: :lol:

- Nick
-1998 2-dr SOHC MTX= 57mm TB; Maddog STS
-2000 Ply.LX w/MTX = Maddog STS; CAI; 2.5 exh.; 60mm T/B
-2001 ATX w/Syked PCM + Magnum header
-2001 ACR w/SRT T/B bored out to 55mm

Official "I'm Going to Drive My Neon till it Dies" Club #000009

dieseldak
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Post by dieseldak » Mon Dec 06, 2010 11:04 pm

Yes, like I said they are coil boots for a 2001 Honda Passport with a 3.2L V6. You need to make sure you get the boots for cyl 1-5 though, cylinder 6 uses a different one. So when they ask you, say you need 4 of the cylinder 1-5 boots.
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Post by fixitmattman » Tue Dec 07, 2010 7:48 pm

Unless you swap in an ECU that has the capability of running a completely independant ignition system all you will have done is spent money and make things look cool. Really, unless you're spending a lot of time in the 6k rpm and north territory, even when you do go fully independant there won't be any major gains. Where COP shines is in the higher rpms where the increased dwell time will give you a more reliable spark.

Has to be the cleanest COP conversion for a neon I've seen though. Some of the COP setups on the other org are complete hack jobs.
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Post by dieseldak » Tue Dec 07, 2010 7:54 pm

fixitmattman wrote:Unless you swap in an ECU that has the capability of running a completely independant ignition system all you will have done is spent money and make things look cool. Really, unless you're spending a lot of time in the 6k rpm and north territory, even when you do go fully independant there won't be any major gains. Where COP shines is in the higher rpms where the increased dwell time will give you a more reliable spark.

Has to be the cleanest COP conversion for a neon I've seen though. Some of the COP setups on the other org are complete hack jobs.
I agree, I did this just for the "cool" factor.

This is my hack job, lol. This weekend im taking it back off, using a better made plate that bolts in using all 4 coil pack bolt holes, replacing the coils with ones that arent wrinkle red and wiring it in so its plug and play.

i am very pleased so far, not one single issue, and my car runs alot nicer with it but I think that is due to a tired coil pack or tired MSD wires.
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Post by Ntyvirus1 » Tue Dec 07, 2010 10:34 pm

and to think, dcr has a cop setup for 1k u can buy.
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Post by DR. GONZO » Tue Dec 07, 2010 10:46 pm

This is pretty sweet dude think im gonna do this can't wait for the right up
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Post by ZeroChad » Tue Dec 07, 2010 10:49 pm

HP gains or not, you get a stamp on your Man Card.
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Post by BlackRoseRacing » Wed Dec 08, 2010 9:56 am

ZeroChad wrote:HP gains or not, you get a stamp on your Man Card.
Agreed
Do you have this wired up like the pic above?
When I did my car if it would not fire the opposite cylinder and it also blew the ASD fuse from overload....
Great to see someone here had the time to do this and share the information with us :thumbup:

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Post by dieseldak » Wed Dec 08, 2010 10:06 am

Well I have put over 2000km on it like this and havent even had the slightest issue. From the normal clam driving of the wife to me beating the living shit out of it.

I am satisfied that it work perfectly. This weekend its coming apart to get some new parts and when it does I will do a write up and take pictures so anyone who wants to do it can.
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Post by BlackRoseRacing » Wed Dec 08, 2010 10:24 am

dieseldak wrote:Well I have put over 2000km on it like this and havent even had the slightest issue. From the normal clam driving of the wife to me beating the living shit out of it.

I am satisfied that it work perfectly. This weekend its coming apart to get some new parts and when it does I will do a write up and take pictures so anyone who wants to do it can.
:thumbup:
I'm going to scrounge up some coils again :rockon:

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Post by BlackRoseRacing » Wed Dec 08, 2010 10:57 am

Napa P#BEL 702444 - $8.58msrp each
For the plug boots

Chrysler P#4609095AI - $49.50msrp each

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Post by dieseldak » Wed Dec 08, 2010 11:39 am

BlackRoseRacing wrote:Napa P#BEL 702444 - $8.58msrp each
For the plug boots

Chrysler P#4609095AI - $49.50msrp each
The coils are $29.99 each at Murrays-----BWD p# E230, lifetime warranty

The boots are $6.99 each at Murrays-----BWD p# SPB125, lifetime warranty
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Post by BlackRoseRacing » Wed Dec 08, 2010 2:09 pm

dieseldak wrote:
BlackRoseRacing wrote:Napa P#BEL 702444 - $8.58msrp each
For the plug boots

Chrysler P#4609095AI - $49.50msrp each
The coils are $29.99 each at Murrays-----BWD p# E230, lifetime warranty

The boots are $6.99 each at Murrays-----BWD p# SPB125, lifetime warranty
I'll add to the list too... :lol:

AutoZone
Duralast coil - C1179 - $34.99msrp each
Duralast boot - CP019 - $8.99msrp each
Just checked out eBay and used they run around $15-$25 each plus shipping.

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