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Thread: Need some help.

  1. #1

    Need some help.

    I have a seadoo xp 1992.With a compresion of 155 pers cyl.I have a head will boost it at 215psi pers cylindre.Will i gain more horsepower?how many horsepower i will gain? and this is bad to put the head on my seadoo?I want to know everything thanks.

  2. #2
    Yes you will gain power but it will be hard on the engine and you will need to run race fuel

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