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The Layman's Perspective: Remapping

Discussion in 'Technical' started by gurjinder, Sep 18, 2014.

  1. asimpleson

    asimpleson Esperto

    Linea 1.3
    Yes it can have positive effect on performance. However, the mid-term to long term safety of such after-market mods has always been debated. If done with conscious and continuous or regular monitoring of engine parameters, the efficacy or safety of such systems can be determined case per case. Risks may apply.

    Do re-read about the AFR part in the first post on the thread. It explains very clearly the ill-effects of a botched up AFR.
    prabhjot likes this.
  2. a very informative thread indeed.
    but mumbo jumbo or no mumbo-jumbo car go fast fast people happy

    Remapping today has become more of a peer oriented demand than that of requirement. but with such various options currently available one must be well aware before he makes his choice.
  3. punto_emotion

    punto_emotion Esperto

    Grande Punto 1.3
    ^^ @Harsh , so hows your Wolfed Punto going? ;)
    Harsh likes this.
  4. @punto_emotion couldn't be happier... wolf remap is more than just a fresh change... the top speed was never the aim improved drive was of ultimate need and I haven't found a better car to drive..
    punto_emotion likes this.
  5. gurjinder

    gurjinder Staff Member Janitor

    The factory air intake setup of the Multijet is a "Layman" cold air intake only, I would say. ;) The intake of the airbox is positioned towards the grille via a hose which can suck in fresh outside air. That is pretty much what a cold air intake is.

    Thanks for the kind words.
    The question you ask is the most frequently asked one. Why don't manufacturers do such tuning at their end?

    If we look at things from a manufacturer's perspective, they have to meet X number of stringent criterias of emissions, service intervals, engine longevity, auxillary components longevity etc. So, a case can be made that manufacturer tune is done keeping all of the above in mind. They have to find the middle ground in everything unless it's a race team we are talking about. The remapper is not bound by any such criteria except for the basic premise that the engine should stay reliable and not explode at the first instance. So he just taps into the safety window left by the manufacturer.

    Ravi likes this.
  6. amogh

    amogh Staff Member Janitor

    Grande Punto 1.3
    How did you measure that ?

    Dyno ?

    If yes : Can you share the charts?
  7. royj

    royj Esperto

    Very informative Gurjinder.

    The reason is to ensure that the flame front reaches the piston head the moment piston reaches the TDC.
    So the ignition needs to happen some microseconds before the piston reaches TDC. Needless to say this timing changes with the engine rpm.

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