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View The Full Version : Creating bang on edc16c39 jtdm



adrioccio
Hello all, I have to say immediately that I am less than a beginner, I was perusing a little map of my car in the vain hope of starting to understand the working principle and the principle with which, in a very distant future going to act on the parameters.
While I wandered between the various maps that dcm offers me( the ecu ? a edc16c39 573-121 alfa mito jtdm), I opened the map he calls the turbo pressure objective #1, and I noticed that up to 13% of the load, the turbine pressure ? negative for obvious reasons, at this point, I was wondering, and if, for example, from 2000rpm onwards, set up a positive pressure a little bit, say 100 to 200 mbar, in such a way that the turbine remains in charge and in the open close to a sporty, I had a kind of effect bang? As well as? decrease the turbolag?
Please do not bastonarmi immediately if I have written a corbelleria, but if not, I ask you...:p

alfajtd
there are no negative pressures...
you have confused the maps...

adrioccio
Mmm I see myself, for example: rpm 3000 load 6% value 850, this value should not be the result of atmospheric pressure+pressure turbo?

alfajtd
? only a value...
there are other maps that govern the geometry,
therefore, I repeat that even in the deceleration does not have negative values.

Matty23p
I alfajtd there are always positive values...then I think perhaps on a diesel, I do not know when the servant would be x? always do a test x to see if you can do that...

yannsaba
there are others to consider in addition to the pressure turbo to create the (bang) the strategy of anti-lag . Let's not forget the physics, if you take away gas as you think to keep up the pressure??

kingsnake
Anti Lag on a diesel? here you degenerates. The only way to do this would be to fit a turbo (fixed geometry pi? a volumetric.

faberecu
no one could do ... like on the petrol , but delaying a lot of the injection phase at the time of release and giving the diesel , but only in a theoretical way , so that the combustion genres just work, taking the load the turbo , but the result would be a series of tragic smoke white smelly ;)

kingsnake

sergiot
according to me, no ? possible to have an explosion in the exhaust why? the diesel without the pressure explodes.
in the exhaust pressure is not there ?.
the proof we give those engines that will clean the fap with the postiniezioni or by injection directly into the drain. it seems to me that to have an effect bang.

with gasoline ? different why? burns also only to heat and discharge in certain situations find it.

asdone
The speech'm very interested in me!
I don't know how it is on edc16, but on the edc15 (Always variable geometry) there are maps an overboost editable, you could edit this to let the turbo always under pressure, and of course also adapt the maps turbo why? to keep the pressure always high. Then there are also other factors that give lag, the rail, for example, when you decelerate down with the pressure, and the lifts not ? instant, or keeping the pressure high, even for low loads/rpm, it further reduces the lag.
Once you have made these changes for? it would be necessary to adapt the advances why? the operating conditions are changed, the pi? turbo pressure = reaction pi? fast, pi? rail pressure = more fuel in less time, then you should delay it a bit with the injection. The how long to delay ? a mystery, and I don't know how to calculate it.

Then maybe you could internvenire on the maps lambda to give consent to throw diesel even with AFR fats, ori runs with a AFR of 17, but the stoichiometric ratio and a little less than 15, even if the turbo is not ? ball could be the same inject diesel achieve performance why? air-ce n'? however, in abundance!


no one could do ... like on the petrol , but delaying a lot of the injection phase at the time of release and giving the diesel , but only in a theoretical way , so that the combustion genres just work, taking the load the turbo , but the result would be a series of tragic smoke white smelly ;)

Apart from what is said, however, I do not think we can change the advances based on the fact that there is accelerated or release, or there are maps that are able to say that?
If no, can you? always act mechanically... But if c'? one way of doing this from the map ? better :D

Friar
The operating principles are always the same, change, how to change

jacktheripper2
The speech'm very interested in me!
I don't know how it is on edc16, but on the edc15 (Always variable geometry) there are maps an overboost editable, you could edit this to let the turbo always under pressure, and of course also adapt the maps turbo why? to keep the pressure always high. Then there are also other factors that give lag, the rail, for example, when you decelerate down with the pressure, and the lifts not ? instant, or keeping the pressure high, even for low loads/rpm, it further reduces the lag.
Once you have made these changes for? it would be necessary to adapt the advances why? the operating conditions are changed, the pi? turbo pressure = reaction pi? fast, pi? rail pressure = more fuel in less time, then you should delay it a bit with the injection. The how long to delay ? a mystery, and I don't know how to calculate it.

Then maybe you could internvenire on the maps lambda to give consent to throw diesel even with AFR fats, ori runs with a AFR of 17, but the stoichiometric ratio and a little less than 15, even if the turbo is not ? ball could be the same inject diesel achieve performance why? air-ce n'? however, in abundance!



Apart from what is said, however, I do not think we can change the advances based on the fact that there is accelerated or release, or there are maps that are able to say that?
If no, can you? always act mechanically... But if c'? one way of doing this from the map ? better :D


Because the advances are on the basis of iq and rpm, and the iq ? connected to the pedal so as to accelerate or if you release,you can manage the release. For? I don't think you can do the bang on a diesel, given that not brucer? never in the drain

asdone
I was referring to the reduction of the lag, not the bang!

alfajtd
You can? reduce precisely the lag... but at the expense of the turbo...

As well as the bang creates damage...

In short, if you do not ? a vehicle intended to run ? better to leave things as they are.

kingsnake
The best way to reduce the lag ? to use a wastegate pressure.
Forget about the other systems in addition to the supercharger combined to turn to be able to keep pressure on a turbo diesel in the release.
In addition, by injecting diesel fuel into the release, the car would be accelerated given that the diesel does not have a butterfly as gasoline engines, and even if absurd, they had the diesel fuel, unburned not detonerebbe collectors, creating the blast or shock wave that allows the turbo to remain under pressure.

pOlPo85
but, above all, the effect of the bang is not achieved by changing the valve timing? (in such a way as to leave open the discharge and to get the unburned gasoline in the collector of the hot)

dariuccio
the bang on the petrol you get with an injector that sprays in a collector gasoline alive

kingsnake
the bang on the petrol you get with an injector that sprays in a collector gasoline alive
That's not ? the bang, those are the kit flame to put out the flames from the exhaust

kingsnake
The bang happens why? you adopt a strategy on electronic competition in which, in the deceleration phase to the closed throttle the injectors continue to inject gasoline and is taken from the current to the spark plugs

sergiot
I think that in the diesel the effect bang is difficult to obtain due to the nature of the fuel.
the fuel in the combustion chamber burns for the effect of pressure with a rapid explosion.
in the exhaust pressure is not ce n'?.
to burn the diesel fuel need to be a flame or high temperatures (such as during a regeneration)
but ? known that even in regeneration do not get the bang why? if not c'? high pressure diesel fuel burns, but more? slowly , without explosion.

faberecu
The bang happens why? you adopt a strategy on electronic competition in which, in the deceleration phase to the closed throttle the injectors continue to inject gasoline and is taken from the current to the spark plugs
absolutely not!!!
you are totally out of the way
the bang works in this way:
the valve vae or similiare (additional air) is increased with the passage d air
when you release or decelleri up to minimum load, the ecu switches on the map where it opens fully in the vae, and injects gasoline in advance, very much retarded the spark occurs when the exhaust valve is ? just open
in such a way as to cause a little work and create gas on the manifold.
I tell you why? I have developed these maps on the Escort cw pin 14 to ground Iaw single pin strangely ******

lupo1
absolutely not!!!
you are totally out of the way
the bang works in this way:
the valve vae or similiare (additional air) is increased with the passage d air
when you release or decelleri up to minimum load, the ecu switches on the map where it opens fully in the vae, and injects gasoline in advance, very much retarded the spark occurs when the exhaust valve is ? just open
in such a way as to cause a little work and create gas on the manifold.
I tell you why? I have developed these maps on the Escort cw pin 14 to ground Iaw single pin strangely ******

Scusale the OT, I wanted to ask faberecu if the pin ? a kind of switch? and if I can ask you for some info on these maps on the escort?