Ghettobird
The bin/tune is the map of how the ECU reacts to different conditions
Its a multilayered instruction manual for the car to follow that changes depending on Ambient temperature, Air/fuel ratios, coolant temps, knock detection, cam angles, boost levels and all sorts of other variables
It tells the car when to do what, and how to react with any given variance in inputs.
The higher resolution the map, the better the ecu can pin point and counter potentially dangerous conditions.
By using an Ostrich EEPROM Emulator, we can change these maps real time and see instant results.
The first thing ive had a play around with is the Idle. My TPS reads 5 degrees of opening at full closure which results in a higher idle than stock, I played around with the idle values and saw it drop to 800rpm instantly
clinton
Cool stuff!
By the way, if you lambda light came on straight away, it will be because of a minor conflict between your car and the binary. For example, if the binary expects to see an atmospheric pressure sensor (and your car doesn't have one), it will throw a code like that. Either way, just scan the code, see what sensor is setting it, and update the binary to disable that sensor.
nickm
so essentially any 4.4 unit can be programmed to behave like any other?
jamesinc
@nickm more or less. The bin is, for all intents and purposes, the car's OS.
Ex850R
I want mine to perform like a Köenigsegg!
Ghettobird
For the low price of $3,000,000 Im sure I can sort something out!
Ex850R
Well , I have one water to air intercooler so I have it started. ......
Jackson
Nice one, Julian. I've been thinking about getting an Ostrich and I'd like to see the process for 'flashing' with one. It would save A LOT of time.
Just on your injectors. It's really important to calibrate for them, or the car will never run properly. There's an iterative process for determining the proper constant and dead-time values for your injectors. The fuel trims your ECU works out can adjust for an incorrect injector constant, but not for incorrect dead-times. Your trims will never be stable. It's not just that it will run rich at idle, but you can lean out under load.
nickm
I was wondering if the different models had some hardware difference. That changed there functions
jamesinc;75644 wrote@nickm more or less. The bin is, for all intents and purposes, the car's OS.
Ghettobird
They are ultimately the same cars, no real need to change things up too much bar a couple of sensors and trim
clinton
nickm;75692 wroteI was wondering if the different models had some hardware difference. That changed there functions
I think there are minor differences in hardware between the turbos and non-turbos, apart from that it is all software I believe.
jamesinc
I wouldn't be surprised if Bosch redesigned various modules on the ECU to suit feedback or changing component prices, but the overall architecture probably didn't change. This is all educated guesswork though.
Volvotech
I understand turbotuner do ecu & software link via usb for motronic 4.3 & 4.4 for around $800 exchange, anyone bought & used them ?
Ghettobird
Lots of people have them, hardly worth 1200 AUD by the time you get one over here for something you can set up yourself with greater functionality for under $300
That and the added bonus of not being locked into their software either - which you need a personalised key for - an absolute joke if you ask me
Jamest5r_
Yeah I used a tt for a few year's, very simple to use. Cj who now owns it he was the us distributer who Adam sold out to is a fair bloke who will give you access to the software if you buy a 2nd hand one
nickm
@Ghettobird how is this going. What are the advantages over burning new maps to the ECU?
Ghettobird
Going VERY well!
Ive just been totally swamped with uni work, I have been running an S70 T5 ECU With an Ostrich for the past 3 months with no issues at all
I will be doing a BIG update in about 8 weeks
