1995 big block 454 Mercruiser
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1995 big block 454 Mercruiser

  1. #1
    Junior Member
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    Nov 2013
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    Default 1995 big block 454 Mercruiser

    I have big block mercruiser 454 carberated with an alpha 3 outdrive (dual prop) about 300hp in a 21' celebrity. I am wondering at this point what is my best option for more hp. It has about 450 hours on it. Should I pull it and rebuild, drop something bigger in it, or add parts.

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  3. #2
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    Feb 2014
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    The real question is how much more horsepower. A little is cheap and easy, but the cost rises exponentially as things need to upgraded to handle more and more power.

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