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Aluminacion Repower

Discussion in 'Chris Craft Roamer Yacht' started by bolsado, Feb 23, 2014.

  1. bolsado

    bolsado Member

    Joined:
    Dec 19, 2008
    Messages:
    139
    Location:
    Sacramento
    The new engine

    357 mag alpha 4v 275 HP

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  2. bolsado

    bolsado Member

    Joined:
    Dec 19, 2008
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    139
    Location:
    Sacramento
    repower trans

    ZF Hurth 63A 8 deg down angle 2.5:1 ratio

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  3. bolsado

    bolsado Member

    Joined:
    Dec 19, 2008
    Messages:
    139
    Location:
    Sacramento
    old motors trans out of boat

    pulled the old motors out with forklift at the yard

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  4. alloyed2sea

    alloyed2sea Moderator

    Joined:
    Jan 28, 2004
    Messages:
    871
    Location:
    Alex, VA
    Miracle Worker

    Really?
    Now that was a neat trick.
    BUt not nearly as neat as pulling a new pair of mags out of your back pocket together with some fine hurths to match, eh?
    Excellent work.
    Now about that flamepaint job,....
    CHeers!
    -Eric
    (stillwaitingforelectriciantorewiremy12voltsystembelowdecks)
  5. bolsado

    bolsado Member

    Joined:
    Dec 19, 2008
    Messages:
    139
    Location:
    Sacramento
    It was the flame job that sucked me in

    Actually found an alpha on cl for about 1/3 retail

    Really wanted 383 but it looked like shaft replacement too

    Turns out the alpha being a little detuned compared to the bravo matches the 427 hp as discussed in previous threads

    Higher rpm of course and less torque but opportunity knocked and had to open the door
  6. bolsado

    bolsado Member

    Joined:
    Dec 19, 2008
    Messages:
    139
    Location:
    Sacramento
    Re still waiting on elect etc

    Me too

    It a job i have handed to the yard

    Excellent guys at eagle marine in martinez ca

    I am getting the bellhousing flywheel damper and mounts in order

    Yard working on some trailer mods and electrical before engine goes in

    Going with triple batt setup on each side

    Actually each engine isolated

    Shore power and inverter on one circuit

    Generator on opposite

    Should be able to post trailer progress next week

    Currently watching my AZ wildcats and UCLA and enjoying adult beverages

    Surfing roamers during commercials
    on the iphone
  7. Capt J

    Capt J Senior Member

    Joined:
    Jul 11, 2005
    Messages:
    14,434
    Location:
    Fort Lauderdale
    I would install a seperate battery charger as well. With the charger/inverters if you lose shorepower and the batteries get below a certain voltage (21 volts on a 24 volt bank) the inverter/charger will usually not power on to charge the batteries.
  8. bolsado

    bolsado Member

    Joined:
    Dec 19, 2008
    Messages:
    139
    Location:
    Sacramento
    Re charging

    Good points

    Ill try n post diagram later
  9. alloyed2sea

    alloyed2sea Moderator

    Joined:
    Jan 28, 2004
    Messages:
    871
    Location:
    Alex, VA
    Overkill or uber alles?

    Hmmm,..., Edison would be proud, only it kinda (from here) sounds like alot.
    My marine electrician (Clean Marine), and I use that term sparingly, recommended some Odessey high performance drycell AGM batteries.
    Odyssey Batteries
    "The Odyssey battery ingeniously uses absorbed glass mat (AGM battery) technology to offer, in one box, the characteristics of two separate batteries. It can deep cycle as well as provide enormous cranking power."
    These aint cheap, only he sayz we just need one for each motor (PC2150S) and a slightly bigger one for the house.
    Thatz a grand for three batteries, sheesh!
    He has them in his boat and claims miraculous performance, just like the sales brochure:
    "ODYSSEY batteries have an 8-12 year design life and a 3-10 year service life. Welded internal cells enable it to withstand extreme vibration, and AGM design holds acid in place to prevent spills, even when installed on its side. And unlike conventional batteries, ODYSSEY batteries can be stored for up to 2 years and still be returned to full power."​

    Am relly (relly) sick and tired of having the boat fail the "7/11 test" (park/walk-in/buy beer/leave/start motor(or not); and having to replace (read lift out of engine room) every 2-3 years.
    "No adding water, ever, no venting of acid gas, holds a charge longer, recharges much quicker, better warranty, no prorating with Odyssey, service life of 7-8 years......"​
    Some reviews:
    Odyssey battery Batteries | Compare Reviews and Trusted Advice from Battery Experts
    Best Marine Batteries ?? - The Hull Truth - Boating and Fishing Forum
    https://www.youtube.com/playlist?list=PLR4mlEnI7ztlpkRMiSmm8c3K4nqXf85Gk
    We'll see.
    Cheers!
    -Eric
    PS - Apparently Sears Platinum AGM are very good too.

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