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Re: Coil over plug????


omegavr4
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Galant VR-4 org Post #: 151320 posted 11/08/04 09:05 PM     Remind Me!  Send Private Message   Edit Post      



2/2000
Belize green

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fast_gvr4
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Galant VR-4 org Post #: 151370 posted 11/09/04 04:56 AM     Remind Me!  Send Private Message   Edit Post      
Quote:






Wiring them in parallel will make the charge go to the coil with lesser resistance, that's why they should be wired in series as mentioned before.


Edited by fast_gvr4 (11/09/04 04:57 AM)

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sleepyvr4
I Hate Kitty Cats


Galant VR-4 org Post #: 151378 posted 11/09/04 06:26 AM     Remind Me!  Send Private Message   Edit Post      
wow. a vfaq would be awesome on this one...

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curtis Galant VR4.org Moderator
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Galant VR-4 org Post #: 151387 posted 11/09/04 06:58 AM     Remind Me!  Send Private Message   Edit Post      
Quote:

Whats the PN of these coils?




I'm not sure. Some of the cars at the yard have the year maked on the windshield with a paint pen but not this one. All I know it was a Dodge Intrepid.
By the mounting points being on the top and bottom there different than the ones Buschur sells because his have one on top and the side, and seam to be shorter (If that matters). The May 2004 Turbo magizine had a write up on Tim's car with some pretty good pictures. I thought of this idea about 3 years ago and after seeing it I had to do it.

I looked closer at the coils. In a dot matrix stamp on the side it has

04609
095AD 0458.

Hope it helps



92 GVR4 0475/1000
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curtis Galant VR4.org Moderator
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Galant VR-4 org Post #: 151392 posted 11/09/04 07:17 AM     Remind Me!  Send Private Message   Edit Post      


I forgot to draw the littleblack box thingy thats mounted with our factory coils it gets wired on the intersection of the 12volt Galant wire and the two wires going to 1 and 3.

If you guys do this using Junk Yard parts pull the wiring harness and cut the plugs using as much wire as you can get. I cut mine about 3 inches and had to do a lot more connecting than I should have.



92 GVR4 0475/1000
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curtis Galant VR4.org Moderator
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Galant VR-4 org Post #: 151394 posted 11/09/04 07:37 AM     Remind Me!  Send Private Message   Edit Post      
This probably needs to be posted in the how to section now.



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pisces
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Galant VR-4 org Post #: 151458 posted 11/09/04 11:36 AM     Remind Me!  Send Private Message   Edit Post      
Quote:

A pretty well known guy here in the Rocky Mountain DSM arena did some extensive research on these setups using the Chrysler 300M coils and built several setups. It seems that the downfall was that the stock ECU could not control coil dwell, speed, and volt charge setups, causing problems with the setups over time. Don't know if that will be your experience, but keep it in mind.



I seem to remember this. Being that the 300M/Intrepid coils weren't meant to be used in a waste-spark system they were burning out prematurely. The dwell time on the coils was greatly reduced when they were used in a waste-spark system and they were overheating and dying eventually. Not sure if the wiring was different than the way curtis has them wired up. Time will tell. Keep us posted on your results curtis!

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curtis Galant VR4.org Moderator
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Galant VR-4 org Post #: 151460 posted 11/09/04 11:43 AM     Remind Me!  Send Private Message   Edit Post      
Ran by the dealership this morning. They come on the 2001 Intrepids and are the same for either engine combo. They list for 50.68 each. They were busy and I didn't check on the ones buschur sells.



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keydiver
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Galant VR-4 org Post #: 151488 posted 11/09/04 01:12 PM     Remind Me!  Send Private Message   Edit Post      
Hmmmm..very interesting post, but someone better find out for sure about the series vs parallel thing. In series, each coil is only going to be seeing 6 volts. In parallel, the ECU will need to be sinking twice the current. Neither seems like an ideal situation to me, unless Chrysler uses 6 volt coils.

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curtis Galant VR4.org Moderator
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Galant VR-4 org Post #: 151610 posted 11/09/04 07:35 PM     Remind Me!  Send Private Message   Edit Post      
Don't know but I'll stick the multimeter on her tommorrow while she's running.
The idle has clear up some, the off throttle response is better and driveability seams better also. In a few weeks I'll be able to see if the fuel economy has increased. The new hasn't worn off yet and my foot has been in the throttle alot today.



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sjg
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Galant VR-4 org Post #: 151980 posted 11/10/04 06:47 PM     Remind Me!  Send Private Message   Edit Post      
That doesn't sound right. Shouldn't the secondary coils be seeing more like 100 volts? So if we wanted to even things back out we could replace the primary coil with an appropriately sized unit, right? Or am I missing something....

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gaylantvr4
Joe


Galant VR-4 org Post #: 152379 posted 11/11/04 05:40 PM     Remind Me!  Send Private Message   Edit Post      
i though in series each coil would get less. 12 then 9 then 6 and then 3 but in a parallel circut gets all 12 volts to each coil



998/1000

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MustGoFaster
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Galant VR-4 org Post #: 155770 posted 11/21/04 08:47 PM     Remind Me!  Send Private Message   Edit Post      
You mean the Ignition transistor will the sinking twice the current. The ECU runs the transistor.

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JNR
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Galant VR-4 org Post #: 174059 posted 01/18/05 01:52 PM     Remind Me!  Send Private Message   Edit Post      
So, Curtis, how is this setup holding up for you, after 2+ months? I am interested in going with this setup in the future, but would like to get a first-hand account of the 'reliability', etc...I have a source thru Napa to get these at a decent price, but curious what other types of coils would fare well with our ignitions?

Thanks,

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curtis Galant VR4.org Moderator
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Galant VR-4 org Post #: 175242 posted 01/21/05 06:52 AM     Remind Me!  Send Private Message   Edit Post      
Well the car sat in the garage for a weeks around christmas then I DESTORYED YET ENOTHER GEARBOX but the coils are fine and have had zero problems from them. The driveability went up along with acceleration in traffic with out downshifing. The car pulls to redline with no spark knock at all. And also the idle improved and this is after replacing the wires just a few months before. Since the build up a few of my buddies here in town went with the same set up and also love them. I found out the Dave Buchur sets are also intrepid coils but from a different motor. They have 2 differnt six cylinders in the cars but the only differance is the mounting flange. The ones I used have an aluminum rod that runs through the boot where the ones Buchur uses have a spring in the middle. I got lucky with the ones I found because the aluminum will pass the current easier than through a spring. The dealer here in town priced them to me for 35 a piece cost and list to joe off the street was a little over 50 each. Try and find them used so you can get the plugs and also get as much wire out of the harness as possible it will make the buildup a lot easier.



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GVR-4
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Galant VR-4 org Post #: 177585 posted 01/26/05 11:03 PM     Remind Me!  Send Private Message   Edit Post      
I found this:

http://forum.aempower.com/bbs/viewtopic.php?t=11190



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dave Peter

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turboflanagan
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Galant VR-4 org Post #: 185483 posted 02/20/05 08:28 PM     Remind Me!  Send Private Message   Edit Post      
It sounds like the ones you got were off of an Intrepid with a 3.5L. I think the 2.7L has coils that look like what you say Buschur's look like.

In my 7+ years in a Chrysler brand dealer I think I have replaced Maybe 4 of the COP coils. They just don't go bad.

I might have to paint some blue and try them out. I have some off of a Hemi engine that I was thinking about using for this very purpose. And the Hemi's do use waste spark, but they will still fire half as often as mine at the same rpm.



Not quite 1400whp.

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gaylantvr4
Joe


Galant VR-4 org Post #: 186112 posted 02/22/05 03:44 PM     Remind Me!  Send Private Message   Edit Post      
the coils come off a 2001 intrepid with a 2.7 dohc



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Jonvr4
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Galant VR-4 org Post #: 186643 posted 02/23/05 10:11 PM     Remind Me!  Send Private Message   Edit Post      
Thanks to all those who added valuable info to this post. I was able to build a COP system and it works AWSOME, the car idles a lot better with the 880cc injectors and the over all power band is much much smoother. Great job Curtis and all the others who added to this post.

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Jason84
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Galant VR-4 org Post #: 192539 posted 03/12/05 10:27 PM     Remind Me!  Send Private Message   Edit Post      
i just bought the kit from dejon tool... rev is way way better especially in higher rpms and im running iridiums with it.

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Cory
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Galant VR-4 org Post #: 195708 posted 03/20/05 04:58 PM     Remind Me!  Send Private Message   Edit Post      
I just installed my home-made kit today (GSXR coils) and it seems to be working fine. I can't say for sure if it's idling better or "rev's easier" than before, but I gave 'em hell today and the held up to everything I threw at them. I've got a lot of pictures if anybody wants some email me at [email protected] or [email protected] I'll try to post up again in a couple months and let you know how they're holding up, or if/when I have any problems.

Cory

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boostedinaz
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Galant VR-4 org Post #: 411412 posted 11/27/06 08:10 PM     Remind Me!  Send Private Message   Edit Post   
I wanted to add to this for some that might come down the road a bit later as well as ask a question.

Curtis,

I see that in your drawing it shows the wire colors of white and green. My problem if that I didn't get the connectors with wires when I got my coils, so is the green wire the wire on top or on the bottom of the coil harness? I looked at your pictures and it appears that the green wire goes on top and the white goes on bottom.

If that is correct what effects would having the wires opposite of that have on the car?


Also you said to wire in the "little black box" into the junction of the black wire and the 1 & 3 coil. Is this the box you are talking about?

I am having some misfire issues and I am assuming it is becaue I forgot to wire in the black box, however it appears I swapped the wires on my coils as well. Hopefully the answer here will clear up any confusion thatmay arise for others.



Michael
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