how much hp will an alpha drive handle pushing a 18ft donzi?
01-05-2006, 07:17 AM
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Re: how much hp will an alpha drive handle pushing a 18ft donzi?
He lives on a farm out in the middle of where god lost his shoes
01-05-2006, 07:18 AM
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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
01-05-2006, 07:46 AM
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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.
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.
01-05-2006, 09:17 AM
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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.
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.
01-05-2006, 12:06 PM
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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...
01-05-2006, 12:28 PM
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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
Want more power : Need a Bravo
01-05-2006, 05:43 PM
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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...
