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Thread: Donziminx repower

  1. #1
    Join Date
    Aug 2020
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    Donziminx repower

    New user so please forgive , Ian repowering a1986minx because of cracked block with 300 Hp will the alpha one gen one Handel the extr a power I was told it should be a gen 2 also any recommendations on prop thank u .

  2. #2
    Join Date
    Jul 2002
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    Only my opinion but a A1 will easily handle 300hp. Definitely no hole shots.

  3. #3
    Join Date
    Oct 2012
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    + 2-3 mph from stock to 300hp

    I had a 1987 Minx. I changed the cam from stock 260/270 go to the cam used in the Merc tempest 300/320hp engine.
    With stock engine/cam and 23p Mirage 3blade saw 62/63mph at 4500-4600. With hp bump 64-65mph at 4700-4800rpm.
    Original Alpha 1 drive with nose cone. Nose cone was worth about 2mph when perfectly fared smooth no bumps or chips in bondo and paint. No issues with 300hp and alpha 1.

    You may get more replies if you post in the Donzi performance category rather than under videos.
    Thank you, Patrick
    1994 18' Classic 350Mag Alpha

    Previously owned Donzis -
    1996 22' Classic, 502Mag Bravo
    1987 20' Minx, 350Mag Alpha
    1975 18' Classic, 350Chevy Volvo 280

  4. #4
    Join Date
    Jun 2004
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    I ran an Alpha 1 gen2 putting about 370 hp to it with no problem. Didn't do hard hole shots. Not sure about the gen1.

    '07 22 Classic Shelby GT
    '96 18 Classic - sold
    '69 16 Ski & Sport - sold


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