My MS Install - 90 Miata
10-03-2006, 07:05 AM
#62
!!! NOT CONFIRMED !!!
Join Date: Mar 2006
Location: Eindhoven, The Netherlands
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or
MS130-C $325 (assembled MSV1 3.0 PCB)
MiataSquirt - $120.00
IATwPiggy $21 IAT Sensor
38NPT-Bung_S $8 Bung for mounting IAT sensor (steel weld on, or JB-Weld on)
TuneCable $6.50
LC-1 without gauge $199 (Wideband 02 sensor plus wires - you can still view real-time AFR and datalog AFR through your laptop)
===================
679.50
Plug in and turn the key!
MS130-C $325 (assembled MSV1 3.0 PCB)
MiataSquirt - $120.00
IATwPiggy $21 IAT Sensor
38NPT-Bung_S $8 Bung for mounting IAT sensor (steel weld on, or JB-Weld on)
TuneCable $6.50
LC-1 without gauge $199 (Wideband 02 sensor plus wires - you can still view real-time AFR and datalog AFR through your laptop)
===================
679.50
Plug in and turn the key!
Last edited by Mex; 10-03-2006 at 07:21 AM.
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10-07-2006, 07:41 PM
#67
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Earlier i posted about the fuel injector outputs and deleted that but am still left with another question. I am curious as to why the stock ecu would connect injectors 1 and 3 to one wire and 2 and 4 to the other. What doesnt make sense about this to me is that when pistons 1 and 4 reach TDC, 2 and 3 are at BDC. At first I thought that maybe the strokes are offset, in that when 1 is on the exhaust stroke, 4 is on the compression stroke ... but that wouldnt make sense seeing that plugs 1 and 4 fire at the same time. Is there something I am missing here?
Last edited by akaryrye; 10-08-2006 at 02:52 AM. Reason: i figured it out ... deleted post
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10-10-2006, 12:20 PM
#68
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The answer is simple. The ECU of the 1.6l Miata does not support sequential injection. A ECU with sequential injection can open every injector seperately. This improves idling the car with really big injectors.
The 1.8l Miata has sequential injection, also the 1.6 California cars(I think).
Megasquirt does not support sequ. injection, but batch firing of 2 banks. You can call it semi-sequential. I don`t know why Inj. 1 and Inj. 3. are wired together, probably because of the firing order. 1-3-4-2
For spark: 1 & 4 are together, 2 & 3
The 1.8l Miata has sequential injection, also the 1.6 California cars(I think).
Megasquirt does not support sequ. injection, but batch firing of 2 banks. You can call it semi-sequential. I don`t know why Inj. 1 and Inj. 3. are wired together, probably because of the firing order. 1-3-4-2
For spark: 1 & 4 are together, 2 & 3
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10-13-2006, 07:35 PM
#71
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I'm really sorry to break this to you, but you are both incorrect and insufferable.
Below is a scan from Mazda Miata Performance Handbook by Norman H. Garrett III, Former Mazda Engineer, Miata Project.
There is a pretty good chance that he knows a little more about Miatas than you do.......
Since you have joined this forum, you have made totally incorrect statements, told people who have tried to help you that we are wrong, and you have tried to sell us 'your' version of the factory ignition setup. So far your credibility isn't looking too good at all.......
Below is a scan from Mazda Miata Performance Handbook by Norman H. Garrett III, Former Mazda Engineer, Miata Project.
There is a pretty good chance that he knows a little more about Miatas than you do.......
Since you have joined this forum, you have made totally incorrect statements, told people who have tried to help you that we are wrong, and you have tried to sell us 'your' version of the factory ignition setup. So far your credibility isn't looking too good at all.......
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10-15-2006, 04:32 PM
#72
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im sorry i ment to say the b series engines not miata's
the 323 was distributed
from what ive found the B6 and BP (distributed) CAS output is almost the same as the wasted spark miata CAS output
i know one guy who ran his microtec ecu wasted spark triggering off a escort distributer then switched to miata CAS for looks..
http://www.nwerdt.com/shared/manual/...MAZ4CYLign.pdf
the 323 was distributed
from what ive found the B6 and BP (distributed) CAS output is almost the same as the wasted spark miata CAS output
i know one guy who ran his microtec ecu wasted spark triggering off a escort distributer then switched to miata CAS for looks..
http://www.nwerdt.com/shared/manual/...MAZ4CYLign.pdf
Last edited by jacobrussell; 10-15-2006 at 05:02 PM.
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10-16-2006, 08:28 PM
#73
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[QUOTE=kags1969;34177]Here are the relevant Pinouts on the 90 ECU with wire colors... I pulled this stuff from schematics, and haven't tested it yet, but it should be close...
90 ECU Pin-out
2C = Ground (Black – Lt Green)
2E = Crank Angle Sensor (white)
2G = Cam Angle Sensor (Yellow-Blue)
2I = RPM Signal (Black-White)
QUOTE]
so 2e is the tdc sensor?? and 2g is ignition event??
90 ECU Pin-out
2C = Ground (Black – Lt Green)
2E = Crank Angle Sensor (white)
2G = Cam Angle Sensor (Yellow-Blue)
2I = RPM Signal (Black-White)
QUOTE]
so 2e is the tdc sensor?? and 2g is ignition event??
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11-19-2006, 01:20 PM
#75
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I am trying to track down an issue on my install. So far I have removed D1 and D2 but not C12 and C30. I also haven't removed Q6 and Q8, I am using the stock 2002 1.8 coilpack and it seems to work fine. The issue I am having is slight misfires at idle - at least that's what it feels like.
So the question is, why are we removing C12 and C30?
Thanks,
Jim
So the question is, why are we removing C12 and C30?
Thanks,
Jim
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01-23-2007, 09:55 AM
#79
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This has been really helpful, I've started a diagram for how I've wired mine in.
Are the ignitors getting conencted to pins 36 and 31?
http://i100.photobucket.com/albums/m...0Install/1.jpg
Are the ignitors getting conencted to pins 36 and 31?
http://i100.photobucket.com/albums/m...0Install/1.jpg
Last edited by richard_ha; 01-25-2007 at 09:48 PM.
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01-29-2007, 08:41 PM
#80
Thats what I did to get mine.
"To continue this thread... are there 3 plugs or just 2 that plug into the plug that Kaqs is showing? I have that exact plug... If their is another part... what goes into those...."
Nm on this... saw the 90 ecu picture on Page2... it shows the same plug. 2 plugs it is
.Did this plug/play harness work/tested yet?
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