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  1. #1
    My Boats:
    1992 Larson Senza Spectre 25
    Join Date
    Mar 2007
    Clearwater, FL.

    Larson Senza Prop questions....

    This is really part 2 to my previous thread "454 Mag Intake Manifold Questions". The last time I had the boat out before pulling the motor, it ran 63 on GPS, full tank, 2 people on flat water. If memory serves me right, I believe it was turning about 4800rpm. I bought the boat from a close friend who owned it since 1994. He never checked it on GPS but it would run 72 on the speedo and would turn 5200rpm. Obviously very optimistic. Prop is a 23" 3 blade Mirage. Should I stick with this prop? Should I run a 4 blade? The motor will go back in making 525hp. Anyone have any ideas how fast she'll run? I'm figuring hi 70's, maybe low 80's. Also, I'm looking for as much info as I can find about the hull. (25' Larson Senza Spectre) It has a single step. The name "Duo Delta Conic" is on the hull sides, so I'm assuming it's a Harry Schoell design. Thanks in advance for all your help!

  2. #2
    Charter Member #232 Charter Member Audiofn's Avatar
    My Boats:
    1979 Formula 302, 99 Formula 353, 81 Donzi 18 2+3 with 454
    Join Date
    Oct 2000
    Carlisle, MA USA
    Get in touch with Topdj he has one with a big block also.

    Put your best foot forward!

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