kwempe wrote:Getting pretty close to something I might be comfortable with. My only immediate issues are that the single value boost limit is a little too close to the boost limit map, if the car has a little boost spike, you might find it going into limp home mode and storing an overboost fault code. I dont think I would raise it much, maybe 50mb? I think I would set the target boost and boost limit map just a tiny bit lower? I'm still a relative newbie but even so called 180bhp maps don't seem to need quite as much boost. Once running, drive it in varying styles of driving and look for smoke, if it smokes too much consider reducing the torque limiter then smoke limit maps a very small amount, if no smoke at all then maybe increase them a small bit. Take not at would sort of RPM and throttle opening the cat smokes at and try knocking single digits off the value around these areas.
Some of the more experienced could possibly off more from this juncture..... :D

Ok cool, I'll do those changes,

What are the big disadvantages with smoke?!

Would you know how to create a Rev limiter like this?
http://www.youtube.com/watch?v=FIgqp21PZaM

The big disadvantage of smoke is getting stopped by the Police! Oh and exhaust gas temperatures. Once a turbo starts to reach its limit and you are injecting slightly more fuel than can be burned by the engine, exhaust gas temperatures start to rise. This won't normally kill your turbo instantly, more likely on a sustained flat out run but the smoke becoming excessive is telling you that you are starting to push close to the absolute maximum power for the airflow into the engine (although other factors can cause smoke too).

I'm not sure I would want to do what you show in the youtube clip but it's easy to do with Vagedsuite, activate launch control, scroll down to find the now visible launch control maps and change the figures to 0.00 instead of 100.00 after, say, 3000rpm (or whichever RPM you like). The car will reach 3000rpm and the ECU will see the cars speed is at zero and cut the fuel at exactly 3000rpm. The fuel will then come back as the revs drop and rev back to 3000rpm and produce the effect shown.
In my opinion though, making a launch control map can be way more useful. If you taper the number gradually down to zero the car will rev to the final positive number you use and will have a nice smooth rev limit while stationary, great for the UK MOT smoke test! you can also use it at speeds above 0 kph to reduce midrange a little so it tends to wheelspin less or you could even change the speed axis to read, say, 200 kph and reduce the number a little above this speed so the car only makes standard power on sustained flat out runs or just to set the car a specific restricted speed limit if you wish. :thumbup:

kwempe wrote:The big disadvantage of smoke is getting stopped by the Police! Oh and exhaust gas temperatures. Once a turbo starts to reach its limit and you are injecting slightly more fuel than can be burned by the engine, exhaust gas temperatures start to rise. This won't normally kill your turbo instantly, more likely on a sustained flat out run but the smoke becoming excessive is telling you that you are starting to push close to the absolute maximum power for the airflow into the engine (although other factors can cause smoke too).

I'm not sure I would want to do what you show in the youtube clip but it's easy to do with Vagedsuite, activate launch control, scroll down to find the now visible launch control maps and change the figures to 0.00 instead of 100.00 after, say, 3000rpm (or whichever RPM you like). The car will reach 3000rpm and the ECU will see the cars speed is at zero and cut the fuel at exactly 3000rpm. The fuel will then come back as the revs drop and rev back to 3000rpm and produce the effect shown.
In my opinion though, making a launch control map can be way more useful. If you taper the number gradually down to zero the car will rev to the final positive number you use and will have a nice smooth rev limit while stationary, great for the UK MOT smoke test! you can also use it at speeds above 0 kph to reduce midrange a little so it tends to wheelspin less or you could even change the speed axis to read, say, 200 kph and reduce the number a little above this speed so the car only makes standard power on sustained flat out runs or just to set the car a specific restricted speed limit if you wish. :thumbup:

Thanks for the explanation! you really know a lot about ECU's.

With the video the point is to put a rev limiter close to the one is this video: http://www.youtube.com/watch?v=ta0oaOQGqF8
Obviously this ibiza has a sh*t load of mods.

this file is all wrong am afraid there are so meny things wrong and missed .
EGR wrong DW Why have are you Asking Less at low end RPM leading to WOT. Smoke Limiiters set at 80? 1050air to 80 iq gives you around 13.1 you want to be around16.1 to 17.1 to be smokeless T/L harsh at low end may get clutch slip or judder and you haven't tailed off near end of T/L your requesting less boost Target thank Stock and your boost limit map is all over the place N75 Duty Cycle Not touched Read and Study I will help you if you need it but I think you need to start from new
is this on the car? what is it doing must be nasty to drive there are very usefull edc15 self study on here read read and read again
if you need Help ask I will help and guide you in the Right direction

This Was Your V3 Map

Auditune wrote:this file is all wrong am afraid there are so meny things wrong and missed .
EGR wrong DW Why have are you Asking Less at low end RPM leading to WOT. Smoke Limiiters set at 80? 1050air to 80 iq gives you around 13.1 you want to be around16.1 to 17.1 to be smokeless T/L harsh at low end may get clutch slip or judder and you haven't tailed off near end of T/L your requesting less boost Target thank Stock and your boost limit map is all over the place N75 Duty Cycle Not touched Read and Study I will help you if you need it but I think you need to start from new
is this on the car? what is it doing must be nasty to drive there are very usefull edc15 self study on here read read and read again
if you need Help ask I will help and guide you in the Right direction

This Was Your V3 Map

Thank for your feedback and rating Auditune!

I have been reading the various PDF files on diesel engines & edc15! And this file isn't on my car, so no worries :D
I am just trying to understand more about ECU files, when i think I know enough and my files have good rating's, i might put it on my car, but until then nop :geek:

By the end of the week i should have a better version for the ASZ engine!

Keep well, and thanks again for your rate!

its not a problem you have to study study study you will get there :) if u need help ask some may help some may not just ask there are helpful people but also there are helpful know it alls that no NOTHING there some poor tunes about but because people have flashed it to there car and it gos "fast" they clame there pros and no everythink when infact they are slowly killing there engines

He did a version 4, EGR was maxed out at 850 (correct if my studies are indeed correct to produce no EGR?), The highest his smoke limiter reaches in V4 is 64mg/st which is a perfectly fine useable figure on an ASZ and the torque limit map. Boost is a little higher than I would be totally comfortable with (but i did say that & many do run an ASZ at such boost). N75, is something many home users can tune completely properly without much guesswork and just a copy of VCDS. A full throttle run from 1200rpm to 4000rpm in third, logging the requested and actual boost levels will show any areas that either range under or over the requested level, if the actual boost is over you increase the N75 value, if its under you reduce it. You allow for a slight over spike at around 1500rpm as the turbo spools up and overshoots and allow for a slight under spike (around 2000 rpm) as the n75 opens the VNT vanes after it has corrected the overspike. Then you adjust your n75 values simply to ensure your requested boost is close to your actual. No point touching the manufacturers n75 values until this log has been run. Yes if you have a turbo a little stronger than standard you might reduce the duty cyle right through the positive boost range but you can get all the boost (and much much more) than a standard turbo can handle by simply changing the target boost and limit maps. You can save changing any N75 values until the above logging has been done. I'm quite new to ECU tuning but I'm getting on a bit and I have been in the regular motortrade for nearly 30 years and I think his version 4 is quite close to a map he can try some actual driving with. He can use a seat of the pants rolling road tune and hopefully refine things with a little time and effort to ensure a good comprimise between power, fuel economy and smoke.
Oh one last thought? On an ASZ why would you want to tune it much below 2000rpm? it would only waste fuel and possibly the clutch? 2000rpm to about 4300 - 4500rpm is by far and away the best area to tune on this engine. It is not happy to rev quite as much as a BPX or an ARL so using very high requested maximums above this range is only going to reduce the life of the turbo. Also,not much benefit is to be had by trying to improve power above this range, it doesn't work on a standard turbo/intercooler setup (ON AN ASZ).

Oh, thanks BaNas, by the way. As I said though many here know tons more about ECU tuning than I so I would welcome more input about peoples thoughts on your V4..... :D

BaNas, I would possibly lower some of you boost maps, just a little, taking note of my comment about the single value boost limit and submit a V5, I still think you have a close to useable starting map there, I made some of the same comments about you V3 map as Auditune and I think you have done well to correct them in your V4. Your drivers wish is close to standard and I REALLY would keep it that way if you want a nice throttle peddle feel. 70 is a perfectly fine amount on a DW on standard hardware and in any case above your current levels elsewhere. I very much doubt you will be using any figures higher than 70 anywhere until/unless you change your turbo. Sorry to disagree Auditune but I cannot see any benefit changing the DW much from standard at this stage as it is already higher than you can safely push the standard engine. Im not great at maths but 70mg/st is well over 180 bhp is it not? This is an ASZ.... :)

Thanks for all the feedback and advice!

By the end of the week i shall have a new and better version! :mrgreen: :mrgreen:

70mg amount of fluel the asz can easly have it. I dont know how to upload files otherwise i could upload mine mod file im driving now with 70 MG...