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Thread: Factory cosworth with removed turbo, power?

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    Duck Factory cosworth with removed turbo, power?

    The posting about cosworth lately raised a question in my head... not really important , but still..
    How much power does an unmodified Sierra Cosworth engine produce without any boost?
    220bhp with boost, am I right, but without?

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    Spanner Monkey Ianbavs's Avatar

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    Factory cosworth with removed turbo, power?

    With 8:1 compression and just no boost max 100 hp I bet


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    Re: Factory cosworth with removed turbo, power?

    standard 2wd, not rs500 was 204 bhp, i too think you would be lucky to see any more than half that

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    Spanner Monkey

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    Re: Factory cosworth with removed turbo, power?

    How much boost did they run as standard?

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    Spanner Monkey Ianbavs's Avatar

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    Factory cosworth with removed turbo, power?

    Between 0.70.9 bar says in manual


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    Pit Crew Forest_rallying's Avatar

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    Re: Factory cosworth with removed turbo, power?

    When a you run a Cosworth engine with no Turbo boost it's just like running any other car in limp mode and it feels like a lot less than 100bhp. The ECU sense there's a problem and shuts everything down accordingly.

    How do I know, I have had it happen to me twice on a stage Rally and in places up hill the car would n't go any faster than walking pace, down hill was another matter.

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