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Old 23-09-14, 20:39   #1
SEBASTIAN

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Default Mythbusters 7 POWER BOX

Daca discutam de tuning si power update credem ca toata lumea a auzit de celebrele powerbox, cutii aditionale care se intercaleaza pe instalatia electrica a motorului.


Discutiile pe aceasta tema sunt multiple si foarte complexe, iar rezultatele sunt bine de afisat aici.
Este de preferat sa vedem fise dyno comparative si sa nu ne bazam pe simturi penru ca intram in discutii subiective fara rezultat.

Eu voi evoca un caz tratat de noi.
VW Scirocco 2.0TFSI

Vom incepe cu ceea ce spune www.racechip.com ca face marfa lor.
Ca sa nu fie dubii atasam un prt sc al paginii lor cu referire la masina in cauza.
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Old 23-09-14, 21:08   #2
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Default Re: Mythbusters 7 POWER BOX

- puterea masurata stock 193HP din 197 declarati de producator pentru o masina noua
- puterea masurata cu RACECHIP cuplat 160HP

Tinand cont de valori, ca trebuia sa discutam de un aport in nici un caz de o pierdere de peste 30HP credem ca nu putem decat sa ne amuzam, sa zambim macar.

Pierdere de 33HP

Probabil ca producatorii acestui powerbox au fost corecti cand vorbeau de valori dar de fapt au gresit sensul, semnul fiind vorba de scadere si nu de crestere.
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Old 08-12-15, 21:18   #3
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Default Re: Mythbusters 7 POWER BOX

Vom reveni cu noi teste.
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Old 11-12-15, 21:32   #4
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Default BMW 135i - power box noname

BMW 135i (N55) - power box, intercalat la senzorul de presiune.
Acest tip de powerbox distorsioneaza semnale de iesire catre ecu mintind ecu, aratand ca fiuntioneaza cu presiune mai mica, decat cea reala.
Presiunea in turbo creste pastrand setarile pentru o valoare inferioara.
Castigul de cuplu se reflecta in pierdere de cai putere, per total masina cronometrata se misca mai prost.
Presiunea creste dar mersul nu e chiar in regula iar cand urca in turatie devine periculos, detoneaza, masina retrage avansul, imbogateste si taie din presiune astfel inhiband puterea. Nu numai ca o inhiba dar scade sub cea stoc.
In mod normal un astfel de model scoate exact cat spune producatorul dar dupa ce ecu a fost speriat cu detonatii repetate duce putin setarea in jos ca sa se asigure ca nu cedeaza.
Am atasat si omimagine la unul stoc si apoi cu soft(graficul final).
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Old 13-08-19, 20:46   #5
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Default Re: Mythbusters 7 POWER BOX

RACE CHIP - Mazda 2.2 turbodiesel
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