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Old 09-20-2005, 12:14 PM   #1
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Lightbulb MegaSquirt

Is any body here using MegaSquirt?

I am thinking about building one for my turbo setup, and would love
to hear from someone who has already done it!

I believe there could be some problems with the Coil-On-Plug setup the miata has,
but other than that it looks very good!

And cheap too, for a complete stand-alone.
I saw some guys have posted success stories in the megasquirt forum,
but they seemed to be only using the MS for fuel, keeping the stock
ECU for spark.

If you guys have any success/failure stories, please share them!
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Old 09-20-2005, 01:32 PM   #2
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Do a search on www.miataforum.com There's one fella that's running Megasquirt, and he posted a couple times about it fairly recently.
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Old 09-20-2005, 03:01 PM   #3
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Maybe we should start a megasquirt forum... I think it could be the next "thing" for miatas...
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Old 09-20-2005, 09:13 PM   #4
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Yes, that might be a clever idea!

Although the MegaSquirt scene has their own huge forum
which helps people with everything, it would of course
be great if people that are trying to fit the MS into a Miata
would gather into this forum

At least if I go this route I will post my setup here!
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Old 09-20-2005, 09:41 PM   #5
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Quote:
Originally Posted by arnib
Yes, that might be a clever idea!

Although the MegaSquirt scene has their own huge forum
which helps people with everything, it would of course
be great if people that are trying to fit the MS into a Miata
would gather into this forum

At least if I go this route I will post my setup here!
exactly, anything to get a few more posters.
Keep us up to date on your setup, once we get a few people that have done it and have some sort of knowledgebase going I'll open a forum and we can archive all the info/howtos/whatever there.

It's always better to have a model specific forum than a general, look at the amount of emanage info for the miata here vs the emanage yahoo group for example.
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Old 09-21-2005, 01:20 AM   #6
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Another guy reporting in that was thiking about using MS. It seems its not too bad to get it setup as a piggy back for fuel. So at least you can use it to run like 440-550cc injectors. MS is also cheap; 299 prebuilt and with wiring harness. My only fear is what about spark? I as of right now understand little about how the miatas ignition system works but I think it may be hard to get working with the miata. From my research the miata's CAS is the same/ simular to the one in 1st gen DSM's. I would really love to use MS but not if I cant do spark. I would love for some headway made on using the megasquirt for the maita.
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Old 09-22-2005, 06:18 PM   #7
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I too have been thinking about the MS for a couple months now. The only problem for me is that barely anyone else has done it for the miata. By using it as a piggy back, it costs about the same as an emanage, which more people have used, so I think I'm leaning toward the emanage now.
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Old 09-23-2005, 12:06 AM   #8
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Yes, it's true that it seems like not very many people have succeeded in installing it
as a stand-alone ECU in the miata!

But I think it's totally possible to do it, and if it is successful you have full control over
everything for 250-300$!

That's very hard to beat
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Old 09-23-2005, 12:26 AM   #9
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I have found only 2 suscess stories for maita installed with MS and i think both used it as a piggy back, and they were smart ****'s. While cheap it would be easer to use a 1000$ haltech and save a crap load of time in the process. I am a huge fan on the MS but I daily drive my miata, I cant spend a month figureing out wireing and how to get it working right... Maybe I exaggerating how hard it would be to get an MS to work on a miata....
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Old 10-11-2005, 01:08 AM   #10
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Quote:
Originally Posted by arnib
Yes, it's true that it seems like not very many people have succeeded in installing it
as a stand-alone ECU in the miata!

But I think it's totally possible to do it, and if it is successful you have full control over
everything for 250-300$!

That's very hard to beat
Ok im bringing this thread back from the dead, you all know you want to try MS!
The issue is ignition, MS appears to have never been built to control spark. (some guys later made a hack it appears that allows this) I think the miata has to be converted over to a completly different igniton system thus making a lil more than 250-300. I have no idea how to set up the MS for spark and fuel and from seaching MSefi.com has come up with nothing. I cant learn how to do it if I cant find any information. If anybody has any info on the MS being used for fuel AND spark for the miata please let me know, so far I dont have the slightest idea.
I guess you can always use the MS and bipes ?

Last edited by medisyn; 10-12-2005 at 11:06 PM.
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Old 10-11-2005, 01:17 AM   #11
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Quote:
Originally Posted by medisyn
Ok im bringing this thread back from the dead, you all know you want to try MS!
The issue is ignition, MS appears to have never been built to control spark. (some guys later made a hack it appears that allows this) I think the miata has to be converted over to a completly different igniton system thus making a lil more than 250-300. I have no idea how to set up the MS for spark and fuel and from seaching MSefi.com has come up with nothing. I cant learn how to do it if I cant find any information. I emailed the guy that uses the MS on miata.net and he just told me to "look at my posts at msefi.com". Well that dont help becuase he has like 5 posts :gay: If anybody has any info on the MS being used for fuel AND spark for the miata please let me know, so far I dont have the slightest idea.
I guess you can always use the MS and bipes ?
By the time you added a bipes into the equation it would be too close cost-wise to the e-manage.. (for my anyways) but idk its something different which is always cool
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Old 10-11-2005, 02:36 AM   #12
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Quote:
Originally Posted by greenday3437
By the time you added a bipes into the equation it would be too close cost-wise to the e-manage.. (for my anyways) but idk its something different which is always cool
well JUST the e-manage ultimate is 500, (still gotta buy **** like a map etc.) MS+ used bipes is much cheaper. Which you can better tune? who knows, but I hear the MS is pretty slick to tune. I really dont know which is better overall.
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Old 10-11-2005, 05:48 AM   #13
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MS is very cheap if you buy at in component form and assemble it yourself. You just have to be handy with a soldering iron.
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Old 10-11-2005, 07:26 AM   #14
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Quote:
Originally Posted by medisyn
well JUST the e-manage ultimate is 500, (still gotta buy **** like a map etc.) MS+ used bipes is much cheaper. Which you can better tune? who knows, but I hear the MS is pretty slick to tune. I really dont know which is better overall.
The blue Emanage is nowhere near $500 and would give you fuel and timing. Maps are all over the place and freely shared. I know you are really itching to try MS, and that's fine 'cause it adds an alternative to the mix of information, but there is a lot more history and help available on the Emanage.
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Old 10-11-2005, 03:30 PM   #15
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Quote:
Originally Posted by olderguy
The blue Emanage is nowhere near $500 and would give you fuel and timing. Maps are all over the place and freely shared. I know you are really itching to try MS, and that's fine 'cause it adds an alternative to the mix of information, but there is a lot more history and help available on the Emanage.
Yeah I wasnt putting MS down or saying its bad I was just sayin EM would be my choice of the two for reasons stated above.. I also said in an above post that it would be cool to try something new and different.. so more power to you hope you start a new "thing"
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Old 10-11-2005, 08:49 PM   #16
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Quote:
Originally Posted by olderguy
The blue Emanage is nowhere near $500 and would give you fuel and timing. Maps are all over the place and freely shared. I know you are really itching to try MS, and that's fine 'cause it adds an alternative to the mix of information, but there is a lot more history and help available on the Emanage.
Well the blue Emanage cant run bigger than 330cc injectors without having issues, while using the MS and it seems the newer EM-ultimate wont have these issues. 330cc are not really big enough without an afpr like the begi or messing around with disks from the vortech. While if you can get the MS working you can use 460cc or 550cc injectors from a rx-7 and have plenty of fuel. Not being able to control timeing easly with the MS is kind of a showstopper. I still dont get what you have to do to control timeing, switch over to ford EDIS?
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Old 10-11-2005, 09:27 PM   #17
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can't compare MS to an emanage, MS is more comparable to the LINK
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Old 10-12-2005, 05:00 AM   #18
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Ya the MS has a lot of features, its cool stuff.
Anyways try searching 'DSM wheel' and see what comes up. (in other post I said I think the cas is some how simluar... Seems that way you can use it to control spark, I really dont understand it yet. (seems like nobody is intrested anymore in the MS????)
If anybody finds some info regarding MS and the miata post it here

Last edited by medisyn; 10-12-2005 at 05:08 AM.
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Old 10-12-2005, 09:22 AM   #19
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Yeah, I was asking my EE/ME buddy about Megasquirt the other day (this is the same guy who built a fuel injector driver for a car of his as a college project), and he said his younger brother is running it on an early 90s Volvo 940 Turbo. He said that, to control ignition, his brother had to convert to the Ford EDIS ignition system.
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Old 10-12-2005, 04:21 PM   #20
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Quote:
Originally Posted by bripab007
Yeah, I was asking my EE/ME buddy about Megasquirt the other day (this is the same guy who built a fuel injector driver for a car of his as a college project), and he said his younger brother is running it on an early 90s Volvo 940 Turbo. He said that, to control ignition, his brother had to convert to the Ford EDIS ignition system.
Could you perhaps ask him the cost to convert over to ford's EDIS? I imagine its a pain in the *** to do this haha
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