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  1. #41
    Banned
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    Jun 2012
    The resort
    Catania
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    32
    Many engines are between 17.5 and 19.5 from oriiginale depends on the class of pollution. The measurements should be made from logs and not from the map. you can find differences for the same car depending on the share of the ****llo of the sea which is made the log. This is because? the map correction turbo pressure as a function of the atmospheric pressure does not follow exactly the corrections of the limiter of QI as a function of the atmospheric pressure.
    For engines the maximum performance on the diesel is around 12:1,value valid for the races of acceleration to 400 meters, but risky for the races at kilometer because of the EGT reached.
    For maps traditional, up to 15 we you can? go quietly on the condition of having EOI within 8 - 10? ATDC.

    Try pr to believe

  2. #42
    THE AVERAGE USER L'avatar di bart
    Date Of Registration
    Sep 2012
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    283
    Thanks 1000 dr. chem, finally someone that confirms my data and my ideas: how much did you say exactly coincides with the conclusions to which I did, only that I had not yet been able to test because of problems with the mass air flow sensor...
    Only thing: I could translate EOI and ATDC? Even if I imagine what they are... Thanks!

  3. #43
    THE AVERAGE USER L'avatar di bart
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    Sep 2012
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    283
    Citazione Originally Written by cicciogsr Visualizza Messaggio
    ... to me the car who smoke as the train does not make me a genius in the diesel for older maybe we can stand, but for the new ones I don't think...
    I totally agree with you, for this I wanted to understand up to where you can? push the AFR for maximum performance in the absence of smoke...


    Citazione Originally Written by cicciogsr Visualizza Messaggio
    ... a bit of diesel in the most also do not self-seal helps to reduce or speed up some of the stages
    Can you explain please what you mean by that? Thanks

  4. #44
    Banned
    Date Of Registration
    Jun 2012
    The resort
    Catania
    Messages
    32
    Are acronyms, respectively, of the end of injection after top dead center

  5. #45
    THE AVERAGE USER L'avatar di bart
    Date Of Registration
    Sep 2012
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    283
    Citazione Originally Written by dott.chem Visualizza Messaggio
    Are acronyms, respectively, of the end of injection after top dead center
    Thanks 1000: very nice!

  6. #46
    THE AVERAGE USER L'avatar di cicciogsr
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    Jun 2012
    The resort
    Sicily
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    428
    that p? of diesel in pi? that can't be compelatamente oxidized helps to first thing to download the gas more? velocememte, and helps to increase the speed? descent of the plunger ? as if there was a force in the pi? that accompanies him in the descent phase of expansion second, the exhaust gases will have a density? greater there? consequently, it helps the turbo to first reach the desired pressure ... all of us? within a certain limit of fumosit? why? counter you may then have the egt high, which can damage the manifolds, turbo etc.. for me it takes a compromise ... the jtd 100 ? different from the 105 because of the turbo..I would do before a log ori to see how injects effettivamene, how much air measurement etc.. then adrei to find the values in map and then try to modify it maintains an afr in the values said in the previous post...

  7. #47
    THE AVERAGE USER L'avatar di bart
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    Sep 2012
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    283
    Thanks cicciogsr: very clear and precise!

  8. #48
    THE AVERAGE USER L'avatar di cicciogsr
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    Jun 2012
    The resort
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    many times, perhaps, I can not make me understand ... on the jtd 105 with 80 mm^3 smoke sure why? unless you change the turbo mechanically you cannot have an air flow rate that exceeds 1000 mg...on the jtd 100 maybe being able to vary the pressure from the map smoke less... anyway both engines exceeded 3000 rpm have a physiological drop in power..

  9. #49
    THE ACTIVE USER L'avatar di munro
    Date Of Registration
    Oct 2012
    The resort
    EARTH
    Messages
    1,207
    Citazione Originally Written by munro Visualizza Messaggio
    the only limit of iq and that given by the resistance to thermal and mechanical stress of a given engine.....
    without arguing with anyone but I have read posts that they have "wasted" a beautiful p? of words to say what I summed up in the sentence above autoriiportata...and this not ? to make a competition to see who c is? l? longer, but only for "give to caesar the things that ? of caesar"
    it seems evidententeches increases iq and lowers the afr and the only limit and the above addition,I would add,as one wants to risk it...certain as death? that a tractor puller diesel with 12:1 afr is only in motion.....
    A rider does not create queues even in the car...
    a automoblista create queues even on a motorcycle...

  10. #50
    THE AVERAGE USER L'avatar di cicciogsr
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    Jun 2012
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    if there was no need to waste words.. we could stop it before..

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