You got it.

I still have to get them the ECU but can you get your hands on 12 female plugs?

I'll pass them your info if you can, lmk!

 

Do you mean the plugs that are on the ECU itself? That's a male plug. Im guessing they want that to put on the board they make so its true PNP. Using the stock ecu harness.

Ive got plenty of the ECU header pin in stock.

 

Jesss... The plug on the ECU itself, Male, Hrmm.... I guess it is since it has the "******" I mean... "pins"

 

I have a 99 mt ecu, I anticipate this thing, but I'm swapping the engine right meow because my diff bearings went bad...I'll have to use some em alternative for the time being.

 

cat got your tongue?




for $300 to lock it in, i'm in. willing to pay around 500 for the total product

question: i'm already tuned with my 00vi setup w/ 5th gen injectors and i understand that they'll be setting up the pnp as a stock fuel map but is there a chance they can give me my basic tuning setup if i provide my vafc 2 WOT corrections?

will there be a tutorial on this and software provided or is that extra? the only thing i know how to do is trim/add fuel with the butt dyno as i watch my aem uego... i'm soo down to learn about timing advance and anything else this thing will be able to do!

fyi i have my stock '95 ecu i can send for the male plug for my setup

 

Im in, the 4 gen has needed a stand alone.

 

This is getting good. I might have to get this. If this is done and working before my car's on the road then I will have to get it. I didn't even wire my EU in yet.

 

No, you'll have to make the corrections in MS, their job is to get a stock 4th gen running on a base map, they will not offer modified maps at this time.

Yes, I will be using this so I will provide all of the information I have learned during the use of this product.

Good to know! I'm putting you on the list!

Just hang on! I got two ECU's on the way, a Auto 95 and a Manual 99 w/ the female (or F102) connector.

 

So what kind of benefits will we have running the MS base maps over stock ECU? Also im assumung MS can be fully able to tune for any boosted application?

Did you bring up about being able to swap back to stock ECU if your boosted? Please find out what would need to be done to pass emissions after swapping back to stock ECU being boosted and already having it tuned using MS.

 

Absolutely none, from my understanding initial plug in will be running a stock ECU map... NOW... once you plug in your laptop and start playing with stuff you can do whatever you want.... Rev to 9 grand.... mess with injectors... switch to a MAP setup... Whatever you desire really....

 

And that application will come with the initial product correct, ive been trying to find the perfect self tunable ecu for my build so hopefully this gets finished when I am.

 

Yes, that's the whole benefit of this VS. JWT, is the ability to control your OWN tune and do what you want by the click of a mouse, rather than paying $75 and the cost of shipping and waiting a month (What you have to do if you have JWT).

As for the emissions problem, I'll ask them, but I'm almost positive they will respond back saying that they will not offer emissions support, this is an "off road only" modification so they won't have to.

You will have to figure out a way on your own to get around your local inspection with this box.

 

Not worried abouf inspection, either I swap back my stock ecu or I pay the guy who is doin my sticker off, he drives a boosted acura ik he would understand. has Ms had anyword on when to start testing or are you still trying to get thrm ecu's, im going to the junkyard for shift linkage and assembly plus some doors and a master cylinder if you need ecus I could prob snag 4-5 fpr free no problem.

 

cool. i will wait for a tutorial lol you can put me on the list too

lets hope MS can deliver. i think i can say there will be a solid market for this ecu if they keep the price down. OBX did it with the v2 headers (quality product, good gains and sound, great price)... just that there aren't any to buy atm lol

 

Sweet, another one added! This will give us room if some decide to back out.

aackshun -Do you know if they will be hacking up our ECU or will we still have that to fall back on?

 

You will still have your stock ECU, you don't have to send yours in as a core or anything like that.

 

aackshun - this makes 14 put him on the list.

 

I still don't understand why I'm so far down on the list. Please fix immediately. kthnxbai

 

I've already said this in the 5th gen forum, but I'll post it here too:

I think the best way to implement a Megasquirt would be to KEEP the stock ECU in place and simply use the MS to control the injectors and coils. TAP all of the required sensors instead of intercepting them.

This way the stock ECU can remain in place to control things like the auto trans and the gauge cluster.

Basically, the stock ECU would think that it is running the car but the MS computer is what is actually sensing the pulses. Maybe simulate the loads of the coils and injectors with some resistors to keep the stock ECU from throwing a CEL?

Let me know if anyone has any objections...

This method would allow you to pass inspection and would allow for the CEL to remain OFF.

And tell them to make one for the "350z" so the 5.5 gen guys can use it too

The PnP harness should be implemented in such a way that it includes simulation resistors and the proper sensor taps.

The system would behave similarly to a UTEC...

 

I hope this is figured out and finished before I install my EU.

 

This sound like it would be a piggy back system then not a stand alone. I believe the Emanage Ultimate behaves in the same way you described. What would be the point of the MS if its doing the same exact thing as EMU? I assume if MS made a harness for us that would be pnp allowing us to keep our stock ECU then, if we can pass inspection this way would be great. That would also save us a big headache making up our own piggyback harness.

If I cant pass inspection with MS then im out of the group deal, this is my DD and I need to pass emissions.

 

That sounds nice, but that is not at all what MS does, I have not seen them make a system like that for any vehicle yet, even though these days they're finally messing with more and more OBDII vehicles so I'm sure it would have to cross their minds, but I highly doubt this will be the case, this defeats the purpose of getting this box, vs. Emanage Ultimate.

Also when they start tackling Drive-by-Wire vehicles I will push for the 02-03 guys.

Yes, by definition that will be a piggy back, and honestly at that point it's just another Emanage Ultimate.

The MS will not control any emissions, I am not familiar with the inspection in your state so I can't say if you'll pass or not. I know in TX if you goto some of the shadier/smaller shops if you're not showing a CEL and the dummy light works, you'll pass because some places are just that lazy.

 

about signals being intercepted but running on stock ecu = piggy back. its exactly what my vafc2 does with the maf signal. this will be an emanage ultimate that PLUGS RIGHT IN... no need for 80 wires to figure out and hopefully a decent price.

the vafc2 is quite nice but i don't like having the car tuned like that. i want much more specific tunes (and ignition timing need to learn that ****!) rather than have my vafc 2 interpolate a fuel map for me. sometimes between wide and narrow throttle positions (20% and 65%) i can get some pinging because it shoots for 14.7. sometimes thats too lean for say a 45% throttle load in 5th on the hwy. i can add narrow throttle correction but that setting kinda sucks and just wastes gas in the city.

as for cel inspection... just take out the light lol and make sure you have at least 1 cat, functioning knock sensor and all working o2's. for now here in ontario drive clean laws are pretty straight forward. they don't care for a cel its what comes out of the tail pipe that counts. they will be implementing a new system for ob2 cars where they'll plug in a machine and read emissions data from there like o2 sensor data (pre cat data for a "more true" a/f reading i guess?) and some other sensors. not entirely sure what it will read and when this will happen but i'm obd1 so they'll be hooking up a sniffer for me anyway and she burns clean

 

^ This guy is ON IT!

One of the reasons why I haven't even begun to fool w/ piggybacks.

 

So with the MS you will NOt pass emissions? It really only requires you swap back in the stock ECU a week or 2 before to iron out the codes if that is the case

 

^ Yes, if your ECU doesn't store information.

 

You are all missing my point.

Running the MS in the way I described is NOT like the EMU at all actually.

The EU alters signals that are already coming from the stock ECU. The EU can not create signals that aren't there; it doesn't generate its OWN pulses, which is why there is no easy way to raise the rev limit. The EU is a true piggyback.

In the case I described, the MS would be generating the signals on its own.

This is how the Haltech works in Surrat's and ramnas' car.

This would not be a piggy back at all, as the injector and coil pulses are generated solely by the MS, based on its fueling scheme. The only difference between what I'm suggesting and what you guys want to do is my suggestion involves leaving the stock ECU plugged into the cam, crank, coolant, o2, and other sensors so that the stock ECU THINKS that it is running the engine.

This is how people run the Haltech and still retain OBD-II functionality, and the Haltech is not a piggyback by any means.

This approach would actually require no support from MS at all. You would basically hook it up the way that they tell you, but leave the stock ECU hooked up to all sensors so that it can read them.

I'll make a little schematic in a minute...

 

^ Thank you!

 

Here's a very basic drawing of what I'm suggesting. As you can see, the stock ECU has NO control over the injectors or the coils. They are controlled completely by the MS. The only wires hooked up to the stock ECU are the sensors required for normal operation. The stock ECU will not notice that the injector and ignition signals are actually being generated by the MS, as there is no detection method implemented. For all it knows, it is controlling the motor. This will give you full control over ignition and fuel and still retain OBD-II features with NO check engine light. Run this buy the guys at MS and see what they say. I could have sworn I saw someone planning on doing exactly what I'm saying before on this forum. I'll try to find the thread.

If MS makes a version that can read the 350z CPS/CKS, I'll buy one and run my setup this way.

 

No problem lol just trying to help.

This is why the Haltech is by far the best option for the 5.5 guys. Full emissions with full control over everything...including VTC!

 

^ I see what you mean now. Allow the stock ECU to operate the sensors and get feedback but highjack the same sensor wires with the MS so it gets the feedback as well but only the MS is sending signals to the engine

 

Just for discussion - the MS would have to connect to the same group of sensors that the factory ECU uses. The water temp, air temp, MAP sensor, cam and both crank sensors and probably some I'm forgetting (TPS and MAF?) would have to operate with both ECUs. I think that the temp and MAP sensors cannot share connectors that way. The crank and cam inductance sensors may work along with the O2 sensors - depending on how much the MS loads the sensors. With any luck, you would just need to add new temp sensors for the MS.

If it could be done - great. This is my ideal concept of a "piggyback" ECU where the ignition and injector timing and other ancillary functions can be controlled from the crank and cam sensors, and let the factory ECU take care of the rest of the business.

 

I know the temp sensor is sensitive to loading so it would prob have to be buffered.

I'd probably buffer every sensor honestly. Opamps are cheap and simple to use

Yup!

 

That sounds good, but every aftermarket ECU seems to use their own temp and pressure sensors, so chances are that the response curves are different. Buffering wouldn't always work, I think, because each ECU uses a two-wire loop to the temp sensors. MAFs generally use a constant-current ECU source to heat the airflow sensor and the ECU measures the voltage across the sensor ribbon. In this case it might be possible to feed the MAF voltage (buffered?) to the MS, but no guarantees. It depends on how the MS controls the MAF.

I don't want to beat this to death, since this is just speculation, but if the timing sensors can be shared, then adding a few temp sensors and another MAP sensor would not be a high price for total independence of the two ECUs. Of course until MS has a complete functional clone of the OEM ECU, there's no way to test anything.

I'm looking forward to a MS ECU.

 

This does sound great.... But we don't even have a basic standalone yet from Megasquirt... I would say this would be something to have down the line rather than initially.... I personally just want to be able to fully tune my car, I have many ways around emissions, including just plugging in my stock ECU around inspection time.....

 

yes this is what i want... and no-where-in-stock obx v2 headers lol... btw will there be something for my 00vi switch point or am i gonna have to get a switch for it?


lots of info to process for a semi-noob here getting technical lol

Unklejoe, here's what i understand from your post:

leave the ecu plugged in for everything but kill the control to injectors and coils. the MS will be intercepting that and therefore full control over those 2 things -- not like piggyback. in the pic you made the MS taps into the other sensors such as the MAF so it can read them or does it alter them too?

excuse my noobness, gonna do some reading "Thread to consolidate info about SAFC/VAFC, SMT-6/7 and EU" and come back to this

 

In UnkleJoe's setup:

Unlike EU, the MS doesn't alter anything, for the ECU to control it, the MS has full autonomy of the motor's coils+injectors, it just sends a dummy signal to the ECU to make the stock ECU think it's controlling it.

That's what he's trying to relay to you simply.

Yes, I will have them include a few extra inputs/outputs for the box so you can run crazy stuff like 00VI's, Nitrous, etc.

 

Bump bump.....any updates?

 

Definitely in for some updates...

I'm about to tear apart my car now too... If I do that, I really hope MS2 doesn't suddenly get released.
Though, I am still waiting for my engine mounts I purchased on here.

 

Not yet... Hang in there guys!