Settings for semi-sequential

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vlopsahl
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Settings for semi-sequential

Post by vlopsahl »

Today I rewired my injectors so that I could test the semisequential stuff. Injector 1+3 on channel 1, and 2+4 on channel 2. First of all I need to know if it really works on my 4-syl wastespark setup with a 60-2-trigger? Do I set 1 squirt simultaneous or 2 squirts alternating in the Engine constants? Then to the semi-sequential settings. Injector sequence on or off? Read in another thread that Enable initial values and the injector sequence start was the only settings I need to set. Tried a few combinations of this but my engine did not start. Right now I am running 2 squirts alternating with a idle PW at 1,4 ms.

Thanks
Vegard
Audi 80Q 2,0 20V Turbo 630cc AEB/ABA/ABF
MS-II V3 MT2.25 MS2 Extra 2.0.1 VAG/Bosch VR 60-2 Waste spark PWM-idle
muythaibxr
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Post by muythaibxr »

I'll document how to use semi-sequential along with the next beta which I hope to get out this weekend, or shortly thereafter.

Ken
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Re: Settings for semi-sequential

Post by md95 »

vlopsahl wrote:Today I rewired my injectors so that I could test the semisequential stuff. Injector 1+3 on channel 1, and 2+4 on channel 2. First of all I need to know if it really works on my 4-syl wastespark setup with a 60-2-trigger? Do I set 1 squirt simultaneous or 2 squirts alternating in the Engine constants? Then to the semi-sequential settings. Injector sequence on or off? Read in another thread that Enable initial values and the injector sequence start was the only settings I need to set. Tried a few combinations of this but my engine did not start. Right now I am running 2 squirts alternating with a idle PW at 1,4 ms.

Thanks
Vegard
Is this a first time/new install? If it is, then get the car running first to make sure everything else is fine, before you try semi-sequencial. After you get the car started, running, and tuned in a bit, then try the semi-seq code. It will work with your wheel. Try setting tooth "5" first, then try tooth "1". See which one works better. Set constants for 2 squirt alternating.
-Matt-
1998 Mitsubishi Eclipse RS 420A Turbo- MS2 Extra- 2.1.0 Release
1992 Plymouth Laser RS 4g63 AWD Turbo MS2 Extra- 3.0.3s
vlopsahl
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Post by vlopsahl »

My engine has been running MS2_E since the early Alphas, so that is no problem. As I said it is running fine on 2 squirts alternating with a idle PW at 1,4 ms now. The thing I was wondering about was the on/of settings for semi-seq. and test options. Anyway I will wait until Ken has done some documentation or made the setup a little easier to understand. The battery on my laptop died the other day so I am waiting for a new one…

Thanks
Vegard
Audi 80Q 2,0 20V Turbo 630cc AEB/ABA/ABF
MS-II V3 MT2.25 MS2 Extra 2.0.1 VAG/Bosch VR 60-2 Waste spark PWM-idle
Jon k
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Post by Jon k »

can someone define what semi seq is for me?
1992 BMW 525i M50 Non Vanos 24v Turbocharged
Stock COP Wasted Spark
MS2/E v3
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Post by boost junkie »

It means firing the injector channels in phase with crankshaft position.
Jon k
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Post by Jon k »

boost junkie wrote:It means firing the injector channels in phase with crankshaft position.
Will that work with say a 6 cylinder motor with 6 injectors banks 2 channels? How does it sync? Sorry for chiming in.
1992 BMW 525i M50 Non Vanos 24v Turbocharged
Stock COP Wasted Spark
MS2/E v3
muythaibxr
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Post by muythaibxr »

should work anywhere provided the settings are right.

Ken
Jon k
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Post by Jon k »

muythaibxr wrote:should work anywhere provided the settings are right.

Ken
Is there much to be gained? 2nd trigger needed?
1992 BMW 525i M50 Non Vanos 24v Turbocharged
Stock COP Wasted Spark
MS2/E v3
rb26dett
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Post by rb26dett »

only idle, emissions, and economy. nothing someone with an H1E would be too worried about ;-)
ms2,v3,cop,innovate,mazda fe3/fe-dohc 2l 4cyl with stock 10:1 pistons,4 stock coils,4 stock ignitors,rx7 550cc injectors maxed@6600rpm&17psi,custom everything,holset he351cw turbo,44mm ext gate,nis gtr bovs,nis gtr intercooler,70mm lexus throttle,chinese fpr,10may v2 ms2e alpha code
Jon k
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Post by Jon k »

rb26dett wrote:only idle, emissions, and economy. nothing someone with an H1E would be too worried about ;-)
:P
1992 BMW 525i M50 Non Vanos 24v Turbocharged
Stock COP Wasted Spark
MS2/E v3
muythaibxr
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Post by muythaibxr »

second trigger is not necessary.
Jon k
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Post by Jon k »

Any updates on how to do this?
1992 BMW 525i M50 Non Vanos 24v Turbocharged
Stock COP Wasted Spark
MS2/E v3
muythaibxr
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Post by muythaibxr »

Nope, I'm going to work on the simplified method later this week.

Ken
rb26dett
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Post by rb26dett »

i'd do a search, several others got it working, and there was a bunch of discussion about the right way to go about it. it involved two members arguing (peacefully) that their wiring/settings were correct, and Ken ending up saying that they were both right ;-)

i think they were both on 4 cyls, but i'm not sure.
ms2,v3,cop,innovate,mazda fe3/fe-dohc 2l 4cyl with stock 10:1 pistons,4 stock coils,4 stock ignitors,rx7 550cc injectors maxed@6600rpm&17psi,custom everything,holset he351cw turbo,44mm ext gate,nis gtr bovs,nis gtr intercooler,70mm lexus throttle,chinese fpr,10may v2 ms2e alpha code
Jon k
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Post by Jon k »

rb26dett wrote:i'd do a search, several others got it working, and there was a bunch of discussion about the right way to go about it. it involved two members arguing (peacefully) that their wiring/settings were correct, and Ken ending up saying that they were both right ;-)

i think they were both on 4 cyls, but i'm not sure.
Hmm I just don't understand how semi-seq can work with only 2 injector channels on a 6 cylinder!

Got a link to the thread you mention? I didn't even see a setting in MS2/E about this.
1992 BMW 525i M50 Non Vanos 24v Turbocharged
Stock COP Wasted Spark
MS2/E v3
rb26dett
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Post by rb26dett »

i LOVE gmail ;-)

http://www.msextra.com/viewtopic.php?p=161306#161306

thats the post where Ken sets it straight, read above and below for the rest of the guff, i'm not sure about a 6 either, if you suss it out, let us know :-)
ms2,v3,cop,innovate,mazda fe3/fe-dohc 2l 4cyl with stock 10:1 pistons,4 stock coils,4 stock ignitors,rx7 550cc injectors maxed@6600rpm&17psi,custom everything,holset he351cw turbo,44mm ext gate,nis gtr bovs,nis gtr intercooler,70mm lexus throttle,chinese fpr,10may v2 ms2e alpha code
Brad-Man
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Post by Brad-Man »

The modification needed to the MS2 daughterboard consists of soldering 2 small jumper wires from the NAND gate chip inputs to the daughterboard pins which correspond to the crystal pins on MS1. Since the crystal is not needed on MS2, that can be left off of the MS board and the MS2 pins can be reused for additional injector channels. You will only need to solder one jumper in your case. However, you will need to either not install the crystal and clock circuit on the MS board or remove it if it's already there.
This came directly from Jean (racingmini_mtl), whom I have purchased p&h boards from for my 280ZXT project.

He's still working on the code and will let us know when it's ready.

Hope this helps...
rb26dett
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Post by rb26dett »

is that to say that there is no use in trying to fiddle with semi seq on a 6 with only 2 outputs? and that hes working on code to allow a 3rd output? and 4th?

i knew he was doing some such code, initially for his siamese setup.

fred.
ms2,v3,cop,innovate,mazda fe3/fe-dohc 2l 4cyl with stock 10:1 pistons,4 stock coils,4 stock ignitors,rx7 550cc injectors maxed@6600rpm&17psi,custom everything,holset he351cw turbo,44mm ext gate,nis gtr bovs,nis gtr intercooler,70mm lexus throttle,chinese fpr,10may v2 ms2e alpha code
Brad-Man
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Post by Brad-Man »

If I understand what he was saying, you will be able to add up to 2 more injector channels, and yes, he is working on code. The two added injector channels are needed for fully sequential injection on a 4 cyl, and for semi on 6 & 8 cyl. engines.

He also mentioned that I would be able to get by with only two channels, but would have 3 firings per cycle instead of two, and with 550cc injectors on the 2.8 litre turbo engine, I don't think much of that idea. It would also require a cam sensor, which ain't gonna happen right now.
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