Factory ECU Anti-Lag / Launch Control Testing

[VAST]

Piggy is at it again continuing to develop this platform!!



This isn't going to be offered quite yet as its still being tested, but it will be available at a later date for an undetermined price.

[NOTORIOUS VR]

Where the boost? Seems a little weak still on that part.

Did you guys finally find a way to cut ignition events and add fuel to actually (control) spool the turbos?

[Don Supreme]

Looks like it bogged a little on the in car launch, but damn that car sounds good!

[hellrot98m3]

mooaarr , how is the rpm adjusted? how much boost is he getting off the launch?

edit- nevermind i read the description on the youtube vid 10psi on a gt car

[NOTORIOUS VR]

mooaarr , how is the rpm adjusted? how much boost is he getting off the launch?

edit- nevermind i read the description on the youtube vid 10psi on a gt car

I didn't see that part... 10psi eh... if that's not enough when launching @ that rpm then I guess you will need slightly more then 15psi to get away without bogging.

[hellrot98m3]

its in the drop down box under the actual video if you watch it on youtube instead of the embedded link

[Thizz_S4]

I want this like asap. . .

[GURUMAN]

Looks cool to impress kids, but slower than just a regular vacuum launch

[GURUMAN]

Need to see boost climbing and not bogging as soon as shifting to second gear to be effective.

[Evilevo]

I want it when you can make it do this

[AudiSportB5S4]

Looks cool to impress kids, but slower than just a regular vacuum launch

This was just found out how many years into the S4 tuning? This goes to show how many people bank of others work rather than continuing to find out new things to do with our factory ECU.

I agree it looks a bit slower than a regular launch but just to find this in the ECU paves the way for what can come of it rather than installing an aftermarket piece into the car! Now that he has found this, I'd just give it time before the right figures are found to have these cars launching hard off factory equipment. Just another option to those who choose to stay with this ECU over standalone for the not all-out builds.

[28cmod]

I'm in

[Capt. Obvious]

VERY interesting development. Keep up the good work guys.

[GURUMAN]

This was just found out how many years into the S4 tuning? This goes to show how many people bank of others work rather than continuing to find out new things to do with our factory ECU.

I agree it looks a bit slower than a regular launch but just to find this in the ECU paves the way for what can come of it rather than installing an aftermarket piece into the car! Now that he has found this, I'd just give it time before the right figures are found to have these cars launching hard off factory equipment. Just another option to those who choose to stay with this ECU over standalone for the not all-out builds.

Ok, agreed, but the WOT box came out 3 years ago, no ? I remember 3 waterfests ago about...

[SummitS4]

Not trying to thread jack. Just a cool sound clip

[Don Supreme]

This was just found out how many years into the S4 tuning? This goes to show how many people bank of others work rather than continuing to find out new things to do with our factory ECU.

I agree it looks a bit slower than a regular launch but just to find this in the ECU paves the way for what can come of it rather than installing an aftermarket piece into the car! Now that he has found this, I'd just give it time before the right figures are found to have these cars launching hard off factory equipment. Just another option to those who choose to stay with this ECU over standalone for the not all-out builds.

Huh? Ok Mike.....

VAST is a tiny bit late on this one. This was discovered a while ago and has been on AZ for a few months now. A smaller shop and some DIY tuners have been using the stock ecu to implement launch control.

[AudiSportB5S4]

Huh? Ok Mike.....

VAST is a tiny bit late on this one. This was discovered a while ago and has been on AZ for a few months now. A smaller shop and some DIY tuners have been using the stock ecu to implement launch control.

I heard of it, but I didn't know it was actually done yet. I knew they were having problems with the speed limiter or something along those lines... Honestly if I could catch everything that was done on the forums I'd be the man but I'm only on here limited amounts now so I miss some things.. I had more time previously to be on top of this stuff but just too busy.. Sorry.

[pohsib]

For a detailed How-to you can go to Nefmoto's site and see how its done.
http://www.nefariousmotorsports.com/...ic=151.0title=
If you go to the tuned ECU section, there is a stock file with launch control built in to try and you can flash your ECU with Nefmoto's free flashing tool.

[Don Supreme]

For a detailed How-to you can go to Nefmoto's site and see how its done.
http://www.nefariousmotorsports.com/...ic=151.0title=
If you go to the tuned ECU section, there is a stock file with launch control built in to try and you can flash your ECU with Nefmoto's free flashing tool.

And there you have it.

Anyway, Props to VAST for trying to adapt this into their tunes.

[Evilevo]

And there you have it.

Anyway, Props to VAST for trying to adapt this into their tunes.

I want to be able to brake boost. I want that added into my tune.

[foxtrot121]

I want to be able to brake boost. I want that added into my tune.

You can! Just put your foot on the brake BEFORE pressing on the gas. You have to be on the brake BEFORE you get on the gas or it will cut power.

[Evilevo]

You can! Just put your foot on the brake BEFORE pressing on the gas. You have to be on the brake BEFORE you get on the gas or it will cut power.

I do that already. I want to not have go through all that trouble though

[Mattgfx]

it's so hard for some people to enjoy anything sometimes without a debate...

[Evilevo]

it's so hard for some people to enjoy anything sometimes without a debate...

It wouldn't be Audizine without one.

[Matt Danger]

Yeah this isn't new. The way this works is that it's a 2nd rev limiter that is set to activate at a very low speed. Unfortunately, it doesn't seem to build much boost. There's a local guy around here who's spent a lot of time working with ME7.1 and he's been using this along with a bunch of other guys. I suspect that in some cases this may also trigger limp mode like the wotbox does.

It's cool to see Mike playing around with it and seeing if there's anything else we can get it to do.

[awd2ks4]

Yeah this isn't new. The way this works is that it's a 2nd rev limiter that is set to activate at a very low speed. Unfortunately, it doesn't seem to build much boost. There's a local guy around here who's spent a lot of time working with ME7.1 and he's been using this along with a bunch of other guys. I suspect that in some cases this may also trigger limp mode like the wotbox does.

It's cool to see Mike playing around with it and seeing if there's anything else we can get it to do.

How does the wot box cause limp mode? i have it.... never experienced limp mode from that

[GURUMAN]

Probably too much heat on the egt's

[turboskipper]

I do that already. I want to not have go through all that trouble though

This is extremely easy to do with ME7. There is an engine speed based threshold that must be exceeded for the ECU to block brake and pedal applies at the same time. Normally set to 250 RPM from the factory. You can max the calibration out to 10,200 RPM and you are all set. Cal variable to change is NWPMBBR (minimum speed for limiting pedal travel for operated brake). You can also change the max permissible pedal travel during brake apply (WPMXBR) to 100. Normally it is set to 7.

[DaveM@EPL]

WOTbox is still the best option for our cars. ME7 won't get aggressive enough with spark cut and retard to really build boost.

[csre9]

I <3 you

This is extremely easy to do with ME7. There is an engine speed based threshold that must be exceeded for the ECU to block brake and pedal applies at the same time. Normally set to 250 RPM from the factory. You can max the calibration out to 10,200 RPM and you are all set. Cal variable to change is NWPMBBR (minimum speed for limiting pedal travel for operated brake). You can also change the max permissible pedal travel during brake apply (WPMXBR) to 100. Normally it is set to 7.

[Don Supreme]

This is extremely easy to do with ME7. There is an engine speed based threshold that must be exceeded for the ECU to block brake and pedal applies at the same time. Normally set to 250 RPM from the factory. You can max the calibration out to 10,200 RPM and you are all set. Cal variable to change is NWPMBBR (minimum speed for limiting pedal travel for operated brake). You can also change the max permissible pedal travel during brake apply (WPMXBR) to 100. Normally it is set to 7.

Very nice explanation.

[Evilevo]

This is extremely easy to do with ME7. There is an engine speed based threshold that must be exceeded for the ECU to block brake and pedal applies at the same time. Normally set to 250 RPM from the factory. You can max the calibration out to 10,200 RPM and you are all set. Cal variable to change is NWPMBBR (minimum speed for limiting pedal travel for operated brake). You can also change the max permissible pedal travel during brake apply (WPMXBR) to 100. Normally it is set to 7.

Thanks! Now I just need to get Piggy to do this to my file and send me a revision. Then those pesky K04 cars will never get the jump on me!

[Matt Danger]

How does the wot box cause limp mode? i have it.... never experienced limp mode from that

I would get a ignition control module short to ground code from the WOTBox cutting spark and then the car would be in limp mode for 1st and 2nd. I have read that the tune can be tweaked to prevent this.

http://forums.fourtitude.com/showthr...ot-Box-Problem

[DaveS4]

I've never had any problems with my WOTbox, and I use it all the time.

This would be cool though, to take one more third party box out of my car...

[NOTORIOUS VR]

I've never had any problems with my WOTbox, and I use it all the time.

This would be cool though, to take one more third party box out of my car...

I have a feeling that ME based LC will never be as good as using a WOTbox. But time will tell.

[shorterthanrich]

Cool thing to be able to have in a tune, no doubt.

[NOTORIOUS VR]

Cool thing to be able to have in a tune, no doubt.

Depends on how you look at it. Since it's in the tune, most people won't be able to adjust the launch RPM on the fly which really sucks for the most part.

It's cool (kinda) to have if you do it yourself and have the means to reprogram on the spot.

[hellrot98m3]

I want to be able to brake boost. I want that added into my tune.

+1

i hate no being able to just brake boost like on any other turbo car, i know i can still brake boost but it gets annoying that way.

[DaveM@EPL]

Brake boosting is easily fixed on the S4, it's a one variable change. Good for 60-130s so you can start the clock with the turbo already spooled.

[Evilevo]

Brake boosting is easily fixed on the S4, it's a one variable change. Good for 60-130s so you can start the clock with the turbo already spooled.

I had a HUGE problem with that before with the stock S4 3rd gear. I wouldn't hit full boost till like almost 80mph or so. It would kill my 60-130 times. Now with the RS4 3rd, it is MUCH better. I would still like to try and brake boosting at like 40mph and see how that affects it.

EPL is not my t00ner though, so VAST needs to enable it for me. Only hear good things about EPL though!