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how much hp will an alpha drive handle pushing a 18ft donzi?

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Old 01-05-2006, 08:12 AM
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Default Re: how much hp will an alpha drive handle pushing a 18ft donzi?

Hey Rat Dude, throw a #6 w/ an ex. box on and call it good!!
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Old 01-05-2006, 08:17 AM
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Default Re: how much hp will an alpha drive handle pushing a 18ft donzi?

Quote:
He lives on a farm out in the middle of where god lost his shoes
now dats sum funny chit right there
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Old 01-05-2006, 08:18 AM
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Default Re: how much hp will an alpha drive handle pushing a 18ft donzi?

fly the boat??? air time is my middle name...better start looking for some spare drives
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Old 01-05-2006, 08:46 AM
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Default Re: how much hp will an alpha drive handle pushing a 18ft donzi?

Had a Baja Sport 220 with a 370HP 454 in it with an Alpha. I think they made those boats with Alpha/Big Block only in 86 and 87.

Lasted well over 400 hours... took it easy on take offs and changed the spark interrupter a few times.

Guy that bought it from me eventually blew it up, he told me the casing let go but that was passed 400 hours easy. The boat was very light also.
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Old 01-05-2006, 09:50 AM
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Default Re: how much hp will an alpha drive handle pushing a 18ft donzi?

HP doesn't break them, torque does...

JH
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Old 01-05-2006, 10:17 AM
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Talking Re: how much hp will an alpha drive handle pushing a 18ft donzi?

Go for for the big cubes (406+) and change the alpha to a bravo shortie. You will need Hydraulic steering. It is a drivers boat at those speeds.

Mine - '83 18' Classic - 406ci, 10:1, 450hp/498 lbs torque, raised X Bravo...I would think the alpha would have a short life span as much as this thing leaves the water.
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Old 01-05-2006, 12:20 PM
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Default Re: how much hp will an alpha drive handle pushing a 18ft donzi?

sweet lookin ride kmp how much you want for it?
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Old 01-05-2006, 01:06 PM
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Default Re: how much hp will an alpha drive handle pushing a 18ft donzi?

Thks ratman, but not for sale. (well anything is for sale at the right price - I could always build another, but my kids would kill me...
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Old 01-05-2006, 01:28 PM
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Default Re: how much hp will an alpha drive handle pushing a 18ft donzi?

Since the mid 90's, Merc offered the Alpha's for a max 300 HP(350MAG MPI)...

Want more power : Need a Bravo
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Old 01-05-2006, 06:43 PM
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Default Re: how much hp will an alpha drive handle pushing a 18ft donzi?

been running my sbc N/A through a alpha for 2 years, about 560 hp... 2950 lbs, drive shower, amsoil gear lube. No problems.. common sense is all it takes.. i have pounded on mine and haven't even hurt it.. to hell with a bravo, its more drag and more wieght...
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