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Thread: Why Are Inadequate Drives Acceptable On Boats?

  1. #1
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    Why Are Inadequate Drives Acceptable On Boats?

    In particular, Bravos. They constantly break and need new gear sets as maintenance. In the car world a rear axle that breaks every few years would be completely unacceptable. This should be unacceptable on boats too.

  2. #2
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    Quote Originally Posted by thirdchildhood View Post
    In particular, Bravos. They constantly break and need new gear sets as maintenance. In the car world a rear axle that breaks every few years would be completely unacceptable. This should be unacceptable on boats too.
    $$$$$
    bulletbob, SB, rak rua and 1 others like this.

  3. #3
    Gold Member Gold Member phragle's Avatar
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    Because Mercury sells replacement parts.
    bulletbob, glboatdriver and 92nsx like this.
    please read the fine print
    [SIGPIC][/SIGPIC]

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    Because you can get a pretty nice rear axle for a car for a couple grand compared to $20,000+ for ONE M6 drive

  5. #5
    Gold Member Gold Member sailtexas186548's Avatar
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    because just like boat engines, the drives/gears are under constant load = faster wear/tear. Both boat engines and drive-trains have shorter lifespans than their automotive counterparts.

    In both auto and marine, the higher performance machines have more rigorous maintenance schedules - make sure you are comparing apples to apples.

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    Because money


    no further reason is needed

  7. #7
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    Still wish you could get a TRS upper and bravo lower together. Nothing like the feel of transmissions when shifting.

  8. #8
    S.O.B (single O/B) now Platinum Member t500hps's Avatar
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    How many rear axles are repeatedly bounced off the ground under acceleration AND overpowered for their rated use? Add a blower to a stock engine and run the car down a drag strip regularly.......then see if the manufacturer warranties the thing. Remember, Mercury DOES make drives that last, they just cost ALOT more up front.

    I blew several XR's in my time. But each one was at 600+ hp and had an occasional launch off a set of tug boat wakes. Not Mercury's fault IMO.
    ben, Griff, Nate5.0 and 4 others like this.

  9. #9
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    Quote Originally Posted by caseyh View Post
    Still wish you could get a TRS upper and bravo lower together. Nothing like the feel of transmissions when shifting.
    Trs upper With a Bravo Lower

  10. #10
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    Well some of us Donzi 22 owners are eagerly watching this Arneson project. Not cheap but neither is replacing drives routinely: http://www.donzi.net/forums/showthre...2-with-Arneson


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