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Thread: motor swap?

  1. #1
    Registered excursion's Avatar
    My Boats:
    43SC Black Thunder
    Join Date
    Mar 2002
    Richmond Va

    Question motor swap?

    Have 1995 Formula 232LS 454/330hp stockDual-prop. Want to see what the boat would run if it had a 502mpi. Boat runs 59-60mph, what kind of gain should I see? Any help!!

  2. #2
    I would think you should see 66 - 67.

  3. #3
    Toxic FORMULA Platinum Member mopower's Avatar
    My Boats:
    1989 Formula SR-1 272 t/540's
    Join Date
    May 2002
    pitman nj
    502 MPI 415 hp probably 63/64 mph. Rule of thumb"1 mph per 20 hp"
    You can never have too much horsepower or money...It's just hard to have both.

  4. #4
    Join Date
    Dec 2000
    Flemington, N.J. U.S.A
    my friend had a 1987 242 with 502 magnum with bravo .did about 65.

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