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  1. #181
    THE AVERAGE USER
    Date Of Registration
    May 2013
    The resort
    Turin
    Messages
    185
    I read some of the 3d on the fact that we optimize or not the injection of diesel fuel by increasing the prex rail and actually I sensed that any gains of the best combustion are offset by the greater number? fuel injected

  2. #182
    THE AVERAGE USER
    Date Of Registration
    Feb 2013
    The resort
    Arezzo - Florence
    Messages
    961
    Citazione Originally Written by paolo159 Visualizza Messaggio
    I read some of the 3d on the fact that we optimize or not the injection of diesel fuel by increasing the prex rail and actually I sensed that any gains of the best combustion are offset by the greater number? fuel injected
    according to me you're making confusion, by increasing the pressure of fuel does not increase the QI, why? the maps of the time of injection if you are in a function of p.rail, so when you increase the latter makes cala consequently, the time of the injection, in order to have the usual q.the.
    The "better atomization" linked to the p.rail pi? high (to be seen), is balanced by the fact that the pump hp to obtain a pressure pi? high absorbing power in ir?, so any advantage the riperderesti, also down also its useful life (since that would work with a higher load)

  3. #183
    THE AVERAGE USER
    Date Of Registration
    May 2013
    The resort
    Turin
    Messages
    185
    you're absolutely right... I had not considered the p.rail...I said just hogwash

  4. #184
    Banned
    Date Of Registration
    Feb 2013
    Messages
    3
    but paul with the dpf you put in off the egr?

  5. #185
    THE AVERAGE USER
    Date Of Registration
    Feb 2013
    The resort
    Arezzo - Florence
    Messages
    961
    Citazione Originally Written by tonyteam Visualizza Messaggio
    but paul with the dpf you put in off the egr?
    why? what's wrong?

  6. #186
    THE AVERAGE USER L'avatar di cicciogsr
    Date Of Registration
    Jun 2012
    The resort
    Sicily
    Messages
    428
    Citazione Originally Written by SandroMarciano Visualizza Messaggio
    according to me you're making confusion, by increasing the pressure of fuel does not increase the QI, why? the maps of the time of injection if you are in a function of p.rail, so when you increase the latter makes cala consequently, the time of the injection, in order to have the usual q.the.
    The "better atomization" linked to the p.rail pi? high (to be seen), is balanced by the fact that the pump hp to obtain a pressure pi? high absorbing power in ir?, so any advantage the riperderesti, also down also its useful life (since that would work with a higher load)
    I absolutely don't agree if increases of 50-60 bar help to improve the penetration of the spray and speed up the spread of the diesel, I can only agree with you if you tell me to increase to mistake the pressure, then you lose power to ruin the injectors and warm well as the diesel when the inept... But you forget that the injection pressure technologically has marked the evolution of the diesel engine

  7. #187
    THE AVERAGE USER
    Date Of Registration
    Feb 2013
    The resort
    Arezzo - Florence
    Messages
    961
    Citazione Originally Written by cicciogsr Visualizza Messaggio
    I absolutely don't agree if increases of 50-60 bar help to improve the penetration of the spray and speed up the spread of the diesel, I can only agree with you if you tell me to increase to mistake the pressure, then you lose power to ruin the injectors and warm well as the diesel when the inept... But you forget that the injection pressure technologically has marked the evolution of the diesel engine
    I don't agree, I also changed to 150bar pressure of the fuel on edc16c39 and I have not had tangible benefits than than to have it original. On edc15, however, where I had the injection times are very long increase of 150bar has done is to decline significantly in the fumosit

  8. #188
    THE AVERAGE USER L'avatar di cicciogsr
    Date Of Registration
    Jun 2012
    The resort
    Sicily
    Messages
    428
    I have always noticed an improvement of response the associate at a faster filling dell injector I know that I come out of the cv with the increase of the pressure, but for me it helps in certain conditions..

  9. #189
    Banned
    Date Of Registration
    Feb 2013
    Messages
    3
    Citazione Originally Written by SandroMarciano Visualizza Messaggio
    I don't agree, I also changed to 150bar pressure of the fuel on edc16c39 and I have not had tangible benefits than than to have it original. On edc15, however, where I had the injection times are very long increase of 150bar has done is to decline significantly in the fumosit?.
    test personal stay 20% and 1600bar and stand at 20% and use 1630bar I found no difference.

  10. #190
    THE AVERAGE USER
    Date Of Registration
    May 2013
    The resort
    Turin
    Messages
    185
    tonyteam you I still have the dpf fitted, due to lack of time I have not yet removed...why? did you ask me?
    currently I have the latest version of the map loaded and I have covered about 3000 km, regeneration, each about 400 km (mileage predominantly urban).
    Only drawback ? that's about 3000 miles a couple of times ? turned on the malfunction indicator light engine problem to the dpf, which, however, after a few minutes ? disappearance.
    From diagnosis, the dpf clogging ? in the standard, ? a breakdown, which I was expecting since the maps lambda as you can see are not made for nothing good in the prediction set and once you have removed the dpf

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