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motor swap?

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Old 05-27-2003, 08:44 PM
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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!!
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Old 05-27-2003, 09:22 PM
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I would think you should see 66 - 67.
 
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Old 05-27-2003, 09:52 PM
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502 MPI 415 hp probably 63/64 mph. Rule of thumb"1 mph per 20 hp"
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Old 05-27-2003, 10:04 PM
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my friend had a 1987 242 with 502 magnum with bravo .did about 65.
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