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DIY COP Coil On Plug Setup

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Old Apr 18, 2013 | 08:01 AM
  #16  
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niice!
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Old Apr 18, 2013 | 10:14 AM
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Mounting plate images added to my first post along with a few notes about what I think about the mounting plates for 8's
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Old Apr 19, 2013 | 10:35 AM
  #18  
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Demon you're a saint, as much of an oxymoron as that is to say. I did mine last night and they turned out beautifully. I ended up spending $125 for the coils, plugs, tubing, heat shrink, and wire if anyone is curious. I still have to fab up a mounting plate can't imagine it costing more than $20
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Old Apr 19, 2013 | 11:42 AM
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I haven't mounted mine yet as I haven't had time since the plates were made. I had mine made out of 1/8" aluminum using the same dimensions in the drawing above along with my notes and it's perfect (literally, perfect). I need to measure the springs and such for the coils which I may end up stretching a tiny bit

I'd change my forum name but I'm un-creative and I've used this one for a long time
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Old Apr 19, 2013 | 01:07 PM
  #20  
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Great write up Alex! Awesome job!
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Old Apr 19, 2013 | 07:13 PM
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Test-fitted the plate today and took a drive around the block.

To attach the coils I used:
4x 6mm x 1mm x 25mm socket cap bolts to attach the coils
4x 6mm x 1mm x 20mm socket cap bolts to attach the plate to the valve cover
18x 6mm flat washers (3 as a spacer between the plate the the coil, one on top of the coil for the bolt head for a total of 16; 2 for the mounting bolts)

Attachment 334352Attachment 334353

Plate fits like a charm, car drives great. Can't notice any difference as it was all less than 30mph driving. As of now I'll be running this setup full-time. I need to figure out something with the wires though, they're messy looking!

Last edited by llDemonll; Apr 25, 2013 at 04:23 PM.
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Old Apr 20, 2013 | 02:19 AM
  #22  
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Good write up and thanks for the business!

One thing to point out (and maybe you did do it), but on the three pin connector with the double crimps make sure to add some sort of waterproofing to seal in there. Water is the enemy!
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Old Apr 20, 2013 | 11:02 AM
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What do you guys use to seal those? for now, the heat shrink created a very snug, but not totally waterproof seal. On most of the pins I had to use pliers to pull the pins through from the connection side because I couldn't push them hard enough (without fear of bending) from the back side to get them to clip in
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Old Apr 20, 2013 | 11:54 AM
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I cut the Wires down to fit better, and with the 3 pin Evo Connector i totally elimated it and used Heat shrink connectors, because as spoolinup said water is the NME. Plus it looks WAY cleaner without them.
And honestly i never plan for it to go back to stock, these work to well.
And this way it looks more "Stockish"
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Old Apr 20, 2013 | 12:02 PM
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will be doing this soon
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Old Apr 20, 2013 | 12:23 PM
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Originally Posted by blowngasket
I cut the Wires down to fit better, and with the 3 pin Evo Connector i totally elimated it and used Heat shrink connectors, because as spoolinup said water is the NME. Plus it looks WAY cleaner without them.
And honestly i never plan for it to go back to stock, these work to well.
And this way it looks more "Stockish"
do you have pics of how you did it?
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Old Apr 20, 2013 | 03:14 PM
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Originally Posted by llDemonll
What do you guys use to seal those? for now, the heat shrink created a very snug, but not totally waterproof seal. On most of the pins I had to use pliers to pull the pins through from the connection side because I couldn't push them hard enough (without fear of bending) from the back side to get them to clip in
Get some windshield RTV, it will flow into those cracks nicely! Just let is sit overnight.
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Old Apr 20, 2013 | 08:07 PM
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Originally Posted by llDemonll
do you have pics of how you did it?

I'll post a pic tomorrow
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Old Apr 23, 2013 | 05:55 PM
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If anyone is interested in this any time soon please let me know, I am going to be getting a few aluminum plates cut for friends in the near future and I can have extras cut as well for $40 shipped. Plates can be for an 8 or a 9 (the 8's are the same but without the four notches on the outside)
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Old Apr 25, 2013 | 02:15 PM
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here is mine pics of it, you can see how i just eliminated that Evo connector and went direct.

Uploaded with ImageShack.us
Uploaded with ImageShack.us
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