Tony Thomas wrote:

Don't do it. Problem is the boat is not designed for that much hp and
torque. I have seen poeple do this and the boat runs sideways due to the
torque of the engine given the boat is not big enough to handle it.

Find an 18' boat w/ V6 and it will be plenty of power.


Greetings:

While not an expert, I would agree with this. There are some rule
of thumb formulae for determing the maximum horsepower to hull length match.
The increased weight of the V8 will change the balance of the boat and the
way it rides on plane. Yes you would have more power but handling is going
to really suffer. Your insurance is also calculated by power. Too much
power for a given keel length makes you uninsurable. Even if you don't
notify your agent about the change if *anything* happens accident wise the
insurance company will use the information from the investigation to recuse
themselves from any involvement or pay out.

-Jason
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