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The Layman's Perspective :So, what exactly is turbo "boost" ?

Discussion in 'Technical' started by gurjinder, Mar 15, 2014.

  1. Ganges

    Ganges Esperto

    Messages:
    3,121
    Driver Seat _/
    :
    Grande Punto 1.3
    Recently done a trip of 250 km with sedate driving got 24 kmpl. Driveability butter smooth.It only during the morning i feel fast.im living with it now .
    1 person likes this.
  2. Relativity

    Relativity Superiore

    Messages:
    853
    Chennai
    OT - why do you change the oil every 6K km when Fiat recommends 15K km?
  3. Ganges

    Ganges Esperto

    Messages:
    3,121
    Driver Seat _/
    :
    Grande Punto 1.3
    when its 15w 40 then 6k kms and when 5w40 then 10K kms,main consideration if of engine growing old.
    Good to keep it clean.
  4. asimpleson

    asimpleson Esperto

    Messages:
    2,998
    Heptanesia
    Linea 1.3
    Turbo aids fuel efficiency, but more so in the way of delivering more power and optimizing the combustion or offering much better fuel burning. If a car is braking more and not cruising it will loose the benefits of an efficient engine, thereby affecting FE. Fuel ratios differ as per running conditions and acceleration. Fuel injection is ECU controlled and optimized for maximum efficiency and safety of engine while delivering adeqate performance.

    A bit OT; Adding manual boost control for turbo performance or tricking the ECU by modchips to think it is running lean and thereby dumping more fuel and making it richer improving acceleration and power, AFAIK, not a good thing in long run. Mapping/Remapping is more detailed and better controlled if the tuner knows where the engine will have hiccups and how to avoid those at multiple stages. Both have equal potential to harm a healthy engine except the prior method is more crude mannered than an actual remap.
    prabhjot likes this.
  5. pv_krish

    pv_krish Regolare

    Messages:
    418
    Chennai
    Grande Punto 1.3 90 HP
    I do not know what I am going to ask would make sense in this thread or whether the question would itself make sense.

    I have seen what is inside a turbo, looks like a turbine blade which takes the exhaust gases and compresses them and sends them back to the engine cylinder.

    What is there are 2 or 3 blades just like the turbine or the jet engine varying in size, will this aid in generating higher power and better mileage or this cannot be done at all? How would this behave if the turbo was indeed designed like a jet engine to compress the air?
  6. King CM

    King CM Amatore

    Messages:
    113
    Bangalore
  7. asimpleson

    asimpleson Esperto

    Messages:
    2,998
    Heptanesia
    Linea 1.3
    Some interesting articles for Turbo enthusiasts..
    http://oppositelock.jalopnik.com/f1s-hybrid-turbos-are-awesome-and-you-want-one-in-you-1464497196
    ^^ the future for Zero lag turbo-supercharger-AIO.

    Some effective implementation of Turbo cooling (a practical solution to mitigate premature turbo failure)
    http://oppositelock.jalopnik.com/random-fun-car-fact-subaru-shutdown-turbo-cooling-514111544

    Using exisiting thread for sharing these articles @Mods, @gurjinder.
    --- Double Post Merged, Mar 3, 2015 ---
    This following link should answer it thoroughly. Good question..!
    http://www.turbobygarrett.com/turbobygarrett/airfuel_ratio_tuning_rich_vs_lean
    Last edited: Mar 3, 2015
    Ganges likes this.

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