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    Mazda Protege 97 Rebuild

    Hi, New to the forums. I have a 97 Protege 1.5L DX as well. I am not interested in swapping the engine, but do you have any suggestions for increasing the horsepower in the current factory engine? I've put in a K&N air filter which gave me some good low end acceleration and since it's DOHC I...
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