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Old 01-23-2005, 11:43 PM   #1
Nightrunner
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Default Sm4 Ecu!

For you EM experts. Can this www.autronic.com be installed in a STi and how is this different from the Utec? Better?
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Old 01-24-2005, 12:07 AM   #2
veightkiller
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how much is the retail price for one of those??? i guess it will be the same price as motec.$$$$$$..
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Old 01-24-2005, 12:50 PM   #3
TWRRACING
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The SM4 is awsome. I know many people have been testing them on STis. production will be released at the end of this month for the STi. I haven't seen it installed on the STi but I have a universal one coming soon. You can't even compare it to a UTEC. Its in the AEM/MOTEC/HYDRA catagory. This is a full standalone. The PnP only take like 45mins to install.
I've installed a lot of SMCs and SM2s I can't wait for the SM4. I've ran 1600cc injectors with JUN 272 cams on a WRX and it idles at 950rpm without without missing a beat, everytime. Here are the features on the SM4

Hardware:

Connector Single with 42 Pins.
Case, silver extruded aluminium, smaller then SMC but thicker.
PC serial connector in case like SM2 is now.
Processor speed 30% faster then SMC or SM2. No drop off in performance
up to 13,000 rpm on 16 cylinder engine.
116k logging memory.
4 ignition outputs. (With ignition expander up to eight)
8 injector outputs.
Four coil dwell, software selectable.
Knock control with indervigual cylinder retard.
Variable Camshaft control for up to 2 camshafts.
In-built reluctor interface or hall effect, software selectable.
Autronic or NTC air temp sensors, software selectable.
Internal or external map sensor, software selectable.
High and low injector driver software selectable.
Stepper motor idle control.
Support for two and three wire idle valves.
Stepper pins can be used for spare outputs if not used for idle control.
Support for air flow meters.
Internal barometric sensor.
4 x PWM outputs (two can be programmed for up to 200+kz output)
6 x on/off outputs + 4 stepper pins if not used.
1 x Tacho/Diagnostic output. (can be tacho or diagnostic output)
2 x Analog input (EGT, EBP, O2, etc)
4 x speed inputs.

Software:

Autotune (self tuning software).
Launch Control (two step rev limiter based on vehicle speed).
Flatshift (change gears without clutch at WOT using standard gearbox).
Antilag (keep turbocharger on boost during gear changes).
Selectable ignition tables.
Output tables can be based on any X and Y axis parmentier.
Fuel and ignition tables have 32 rpm and 16 load site axis.
Table axis values totally user selectable.
Multi tooth, missing tooth, Subaru, Mitsubishi, Ford TFI and Gen3 triggers.
User selectable trigger setup to any trigger pattern.
Software selectable trigger angle.
Improved idle control with additional settings for a more stable idle.
Closed loop boost control, and other settings for stable boost pressures.
Mapping via manifold pressure, throttle position, manifold and throttle or
manifold, throttle and exhaust backpressure.

I don't know the retail price yet, but its way less than the MOTEC. I think it should be around $2700cnd.

jerry
www.twrracing.com
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Old 01-25-2005, 12:43 AM   #4
Nightrunner
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Wow.....
Looks like this is the BEST out there then. But $2700 is kind of pricy; of course that the price you have to pay for an all-in-one EM like this. Is that included taxes and installation?

Any other EM expert' comments?
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Old 01-25-2005, 01:12 AM   #5
kool168
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for 2700, you can upgrade your turbo with AP, and the power gain is much more than a SM4
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Old 01-25-2005, 01:21 AM   #6
veightkiller
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yeah men ...that's alot of $$$$but if you have alot of money why not go for that one...motec is about $7,000.00 CAD
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Old 01-25-2005, 06:03 AM   #7
patr
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I have used and installed many Autronic units.

In fact, the "SM4" unit that you are talking about, and perhaps which other people are 'hearing' about, is not the only product that can be used for Subarus with Autronic.

We have been using SM2s for years with the JDM motors. The Subaru Canada car, my Grp N car, the cars we used in the PWRC, cars I drove in belgim, all the JDM STis, have used the Autronic ECU at one point or another. A lot of the rally guys use them, there is a bitchin Rallycross car (euro rallycross, not north american rally cross) that is using it, etc. etc. And we also used them on (believe it or not) USDM/CDM WRXes.

There are people skilled in the art mating Subaru connectors to the SM2 so they are plug and play and putting it inside the box... i.e. you dont have to wait if you are serious...

p.s. hydra and AEM are not in the same category, and Motec is not either ! GEMS, Pi/Pectel, etc. are also at the high end.

the autronic is the best bang for your buck in the higher end fully programmable systems, lower end there are also better bangs than hydra and aem as well...

of course this is all IMHO and everyone has their opinion... I've used themthough so that might count for something.

You can do decent plug and play standalones (plug and play - you need to of course differentiate between wire in and plug and play standalones) for all the WRXes aside from 'new' STi starting at the $1800 CDN mark. There are more than half a dozen in the lower mainland, but all motorsports use except for one guy that is really hardcore

For a street car, your best bet is still a reflash as almost all of the 'useable' features are of little use to the normal street user (ALS, launch, trigger drivers, flat shift, etc.) and you do, as with any standaone, have some sacrifices (closed loop, etc.)

Oh yeah, but the big secret, is that there will be a plug and play SMxx for STis.

Last edited by patr; 01-25-2005 at 06:11 AM.
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Old 01-25-2005, 07:50 AM   #8
TWRRACING
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Hi Patr

I too have tuned many Autronics (actually, thats the only system I tune now)
I wasn't comparing the Autronic to the price/features of the AEM/Hydra?Motec, but i was rather refering to the fact that these are true standalone units, unlike the UTEC which is a Piggy-back.
I agree with you the Autronic is the best bang-for-the-buck.
I know for $2700 you can get "others" but if you have the money, this system is awsome. Even for a street car, this is an awsome system, its the type of system where you tune once, and your done with it!
The SM4 plug and play is already out. I think they will be on sale in Feb-March.

Jerry
www.twrracing.com
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Old 01-25-2005, 01:13 PM   #9
patr
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Quote:
Originally Posted by TWRRACING
The SM4 plug and play is already out. I think they will be on sale in Feb-March.
Yah mon, that is what I meant... as in coming out soon !

Quote:
its the type of system where you tune once, and your done with it!
Yup. My post wasn't for you as much as the other guys ! IMHO all the 'proper' standalone systems are like this if tuned properly, be it PnP Link, GEMS, Autronic, Pectel, Motec etc. Its the 'street' standalone systems that give most of the problems (i.e. UTEC, Link Piggyback, etc.). But even still that is because that market doesnt get them tuned, and even if they wanted to, they dont have the right capabilities. But even with full standalones, most of them dont employ as 'active' an ignition strategy and auto fueling compensation as a stock ECU hence the stock ECUs are better for people who dont fill their cars out of drums every day, and who go all over the place in terms of ambient temps, pressures etc. And they dont generally use ALS, ALC, etc. etc.

We're not currently using Autronic in the rally cars at this moment, but we have SM2 plug and plays here that we have used in the past. I'm curious if the Autronic hiccup is in the SM4. That was my other point, the plug and play Autronics have been around actually for quite some time, just not for USDM STi.

There are many full standalone cars in the lower mainland which are never touched again which have gone on to win championships, using a variety of products. But the Autronic is the best value in 'high end motorsports ECU' when compared to GEMS/Motec/Pectel. The only point is, do you need it ? Its all a question of budget !
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Old 01-25-2005, 10:22 PM   #10
Nightrunner
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Budget...Budget!
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Old 01-30-2005, 11:32 PM   #11
Pakin
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Quote:
Originally Posted by TWRRACING

Knock control with indervigual cylinder retard.
[/url]

Very cool. There was a heated discussion in the EM forums about the Autronics not having any knock control. That shuts everything up nice and tidy

-paK +6
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