these cops run at 5v.
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How much do the normal na/nb coils run at?
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2 Attachment(s)
IGNITION COIL (BP4W-18-10XB-9U)
https://www.miataturbo.net/attachmen...ine=1355938866 Ignition Coil Fits: 1999-2000 Miata Your Price: $284.88 SKU: BP4W-18-10XB-9U My COPs cost around $45 for the coils on eBay plus whatever connectors cost from Ballengar. |
Er, I think he meant at what voltage.
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LOL. I thought they ran 12v source from the Black/White wire? What am I missing here? :confused:
Also: Ran mine on the stock ECU with the 5ms dwell. It worked, but I recommend against this course of action. I definitely damaged one of my COPs. Its a beezy to troubleshoot because it only gets flaky when it gets hot :loser: |
Originally Posted by EO2K
(Post 960777)
LOL. I thought they ran 12v source from the Black/White wire? What am I missing here? :confused:
Also: Ran mine on the stock ECU with the 5ms dwell. It worked, but I recommend against this course of action. I definitely damaged one of my COPs. Its a beezy to troubleshoot because it only gets flaky when it gets hot :loser: Correct on the dwell, however during my research i've been seeing people say that if you lower the voltage you need to increase the dwell time to charge the coils. Makes sense. On our waste spark system we can run 2 coils at the same time in series to lower the voltage to half of it. |
I'm no EE, but that sounds about right, but I'm an electrical retard. I'm not sure I'm going to try it though ;) Does the Adaptronic in your sig not have dwell adjustment? I'm surprised you aren't running them sequential.
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Well yes adaptronic does have a dwell adjustment however i gotta be able to swap to the stock ecu to pass emissions and i'm trying to keep the amount of stuff i gotta switch over to a minimum currently all i gotta do is swap the ecus, install the maf, swap the injectors, and unhook the wastegate :P.
I mean if a simple change like that would make it work... why not? :) |
Originally Posted by triple88a
(Post 960791)
Well yes adaptronic does have a dwell adjustment however i gotta be able to swap to the stock ecu to pass emissions and i'm trying to keep the amount of stuff i gotta switch over to a minimum currently all i gotta do is swap the ecus, install the maf, swap the injectors, and unhook the wastegate :P.
I mean if a simple change like that would make it work... why not? :) |
Originally Posted by Leafy
(Post 960795)
You need to be able to put the stock ecu in long enough pass your tests? WHy cant you do that with cops wired normal again? I put my cops in months ago back when I was supposed to get my ecu from trackspeed originally and daily drove and raced the car for months with them and mine are still fine.
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Originally Posted by triple88a
(Post 960798)
Most toyota coils burn out when ran at 5ms.
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At least a week. Last time it took me 2 weeks. Its about 100 miles for the obd sensors to get set.
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2 weeks? My COPs took 6 months plus a couple track days worth of stock ECU abuse before I finally damaged one. Maybe the ones I'm using are a bit more robust?
IDK how IL treats inspections, but would COPs even pass a visual? If you are already swapping injectors and crap, you might as well just suck it up and install the stock coil. Its not that much more work once you are already in there. I actually have 2 injector/ignition harness for exactly this reason. |
IL does not check the engine bay, they only check the obd 2 sensor readings.
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<- jelly
That's really nice. Wheel dyno and OBDII port? |
Guess its the same as NH or mass, you show up. They plug in, turn the key to the on position, computer reads that all monitors show passed, testing computer prints out the inspection sticker and receipt, you pay and leave. Or if the shop doesnt know you they also do the safety inspection, all of the safety inspection.
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Originally Posted by EO2K
(Post 960833)
<- jelly
That's really nice. Wheel dyno and OBDII port? Step by step. You drive up, turn off the car, they open the gas tank to check the cap to ensure its not leaking. Next they ask you to start your car and walk out with the door open. They plug in the obd2 scanner. They check for any codes. If you're in the clear you pass. You get a little note that says you passed all the junk (cat efficiency, sensors up to temp, etc). And you go on your marry way. You do not pay either. |
:vash:
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1 Attachment(s)
I've decided to tackle this mess and get few things that confuse me straightened out. Brain were u trolling with the 5 volt?
My one question is theres 2 harnesses on the stock 99-00 coils. Also what do u do for the 2 harnesses? Do you have to cut them out from the stock coils or is there an alternative? https://www.miataturbo.net/attachmen...ine=1357311414 The wiring harness in the discussion cops thread shows 1 harness, sup with that? https://www.miataturbo.net/attachmen...ine=1327066127 The next thing is some people say use a capacitor between the gnd and the 12volt, others say not to. Do i need it for my 99 car? How about the resistor? I have no tach wire so i take it i dont need it either? |
im looking at building a cop setup for my new car, and im planing sequential spark. im assuming that the only differences in the wiring is the triggers are all independent?
sorry if its been brought up already i dug a few pages back and didnt see anything. |
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