26' cat questions
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26' cat questions

  1. #1
    Junior Member
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    Default 26' cat questions

    I just bought a 2002 Deep Impact catamaran. I was told they only made 12 of these boats. Similar to the 26 american offshore but was told they used the Motion molds. It has a 496 h.o. and the Bravo X drive. Would like to hook up water pressure line but cant find a suitable port. The fella that had it prior to me put Dana headers on it and I'd also like to know how much increase in h.p. this gives these motors. Any knowledge would be greatly appreciated since all I'm used to is building 2.5 Mercs and running them on Allisons.

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  3. #2
    Senior Member War Canoe's Avatar
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    Default Did you keep the whacker?

    Quote Originally Posted by fasboat View Post
    I just bought a 2002 Deep Impact catamaran. I was told they only made 12 of these boats. Similar to the 26 american offshore but was told they used the Motion molds. It has a 496 h.o. and the Bravo X drive. Would like to hook up water pressure line but cant find a suitable port. The fella that had it prior to me put Dana headers on it and I'd also like to know how much increase in h.p. this gives these motors. Any knowledge would be greatly appreciated since all I'm used to is building 2.5 Mercs and running them on Allisons.
    With the 496 ho you are going to be missing the speed you are used to...

  4. #3
    Senior Member
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    Default

    As far as the Dana's go, here is a website from a member who did dyno testing 496 ho with dana and lightning exhaust. not alot of increase. go to the site and click high performance projects link on left side and then click the 496 myth busting link
    http://www.fullthrottlemarine.com/

    2006 Advantage 28 Sport Cat BR
    Lake Travis
    Austin, Texas

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