COP conversion explanation for a noob

[chodedub]

Not understanding the HQ Autosport kits http://www.hqautosport.com/products1.html

[Gerta]

What do you want to know? Give Rob_e30 a PM he's a great seller. Very satisfied with my kit.

[vpilarrt]

Basically its to remove the losses, interference, etc associated with having spark plug wires going from the coil pack to the plugs. And its also because its an easy retro-fit. The spark is already electronically controlled, why not go all the way and have COP?

[word is bond]

As far as I can tell, if you need to replace ignition wires or coils, then you might as well go for the kit. If you need space for FI, then go for the kit. Otherwise just carry on as you are.

[AustinK425]

So easy, even I did it... Also maybe it's just placebo but my I noticed the engine is more "robust." But yeah expect a bit of wait. I'll say its worth every penny.

[AndrewBird]

From the website:

What are the benefits?

Installing this kit gives you a cleaner, simpler engine bay,
eliminates the lengthy and unsightly spark plug wires, and
removes multiple points of failure in the ignition system. Many
owners report improved throttle response, a smoother idle, and
elimination of ignition misses. If you have or suspect a defective
coil, this kit is significantly less expensive than replacing the OEM
coils and wires.

[chodedub]

Yes i understand all of that but the part i don't understand is the article i read said it was all controlled off of one coil??

[roguetoaster]

That's simply not true, the conversion involves installing 4 coils essentially inverted in the valve cover well. Quick diagram of 1 cylinder COP setup looking from the front, from the valve cover down.

---_Coil _---
| Connector | <- valve cover
[ ---- ""---- ] <- cylinder head
[ Spark plug ]

[AndrewBird]

This picture from their website shows all 4 coils:



Each coil looks like this:

[chodedub]

Ahh now I see, why I was confused I'm not quite sure

[fernn]

Any increase in horsepower?

[roguetoaster]

Any increase in horsepower?

Doubtful, unless your old coils/wires were going bad. This is mainly a reliability/cost upgrade.

[fernn]

Oh ok right on. Yea I'm finally looking at more money in my pocket then having it all disappear after payday, so I'm looking to get a bit more horsepower, but I'm going to dyno it stock, then do it after a few mods to see how much I have gained, then again I'm not looking to beat a Ferrari just for a bit more power because I love the motor and car overall