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Hacking up Honda's ECU
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PostPosted: Sun Nov 04, 2012 3:20 pm 
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Interested if you modify the dizzy, can you use it to fire coil on plug setup, even in wasted spark mode ... i have cbr 1000 plugs that i want to use ... i sow aem and hondata, but i want to know is it possible without them?


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PostPosted: Sun Nov 04, 2012 7:37 pm 
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no, and don't try it. technically it's possible, but there's a reason it's not done.


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PostPosted: Mon Nov 05, 2012 10:06 am 
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PGMFI Elf

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There's inexpensive hardware for this coming in the future. Not my project, so I can't say when for sure, but it works and the plan is to make it publicly available.


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PostPosted: Mon Nov 05, 2012 12:56 pm 
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Smooth1 wrote:
There's inexpensive hardware for this coming in the future. Not my project, so I can't say when for sure, but it works and the plan is to make it publicly available.



Finally......its been around for a long time, but no one* has released it publicly yet, but yes its possible.


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PostPosted: Mon Nov 05, 2012 1:46 pm 
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PGMFI Elf

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Ya. This thing has been in the works for some time. :) If he doesn't finish by the end of the year I'll push to take it over.


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PostPosted: Mon Nov 05, 2012 1:48 pm 
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Smooth1 wrote:
Ya. This thing has been in the works for some time. :) If he doesn't finish by the end of the year I'll push to take it over.


Is it D.B. that you are talking about?? I believe he's been working on a production kit for awhile, as well as KS, but there are a few others who have made them as well.


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PostPosted: Mon Nov 05, 2012 5:57 pm 
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PGMFI Elf

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Yup, DB. He's just being super cautious in the final phases.


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PostPosted: Tue Nov 06, 2012 3:51 am 
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found them: http://www.whiteforddaviesmotorsport.co.uk/
but as i never sow any honda made with their product, i dont want to be the first ;)
the main reason to do this is not because i dont like cables or there is no good alternative for high rpm with cables, but because the lack of space for the distributor cap on my setup .. so my only choice is to have COP setup.


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PostPosted: Wed Nov 28, 2012 8:25 am 
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Dutsov wrote:
found them: http://www.whiteforddaviesmotorsport.co.uk/
but as i never sow any honda made with their product, i dont want to be the first ;)
the main reason to do this is not because i dont like cables or there is no good alternative for high rpm with cables, but because the lack of space for the distributor cap on my setup .. so my only choice is to have COP setup.


I have two of them here, not working. I think its better to wait for the moates solution.


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PostPosted: Wed Dec 12, 2012 10:29 pm 
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In theory, all you would need is a binary counter and use the single trigger in the dist for a reset... Then, use logic level 5volt trigger coils...


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PostPosted: Thu Dec 13, 2012 11:48 pm 
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Location: Cincinnati, Ohio
D.B. has had a working prototype for years now, can't wait to get a look at it.


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PostPosted: Tue Dec 25, 2012 1:55 am 
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sicknastyb17 wrote:
D.B. has had a working prototype for years now, can't wait to get a look at it.


So have I. I even posted the schematics over on the ectune site. It can be done with about $6 in parts.

The issue is cranking time. The honda ECU doesn't sync immediately, which is why it batch fires the injectors during cranking to get the engine to light faster. If you only use the cam signal to sync it, you'll end up cranking for a good 2-3 seconds before the engine starts. The trick is to batch fire the coils as well until the engine syncs up.


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PostPosted: Mon Jan 28, 2013 12:22 am 
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3SGTEme wrote:
sicknastyb17 wrote:
The trick is to batch fire the coils as well until the engine syncs up.


+1 good sir.


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PostPosted: Mon Oct 16, 2017 5:52 am 
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did this ever go into production ? There is a video RPM electronics that shows a system be I got fitted in about five minutes it Tees into the dizzy plug ,and eliminates cap and rotor ,then nothing and looking in the threads here someone has had on running for at least 10 years ,but the only available is still the AEM or Hondata ,is there an alternative ?


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PostPosted: Mon Oct 16, 2017 10:10 pm 
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PGMFI Elf

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Honda Rulez and another one debuting soon.


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