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H22 injector...

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    #31
    I've seen as much as 300hp on 450s but with smaller displacement engines.

    That being said, you don't want to waste your time with 450s if you are planning on making ~260+hp.

    It is safe to incease the fuel pressure no more than 15psi over stock but why not just get bigger injectors. DSM 560s are safe for 300hp

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