Comments on a Marlin with 409 ???
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Comments on a Marlin with 409 ???

  1. #1
    Member Dave01's Avatar
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    Default Comments on a Marlin with 409 ???

    There is a boat for sale on Craigslist near me with the following description:

    "The boat is a 19 foot Marlin (built in California) equipped with a Berkley jet drive coupled to a Chevy 409 ci V-8 that has a 4-barrel double pumper carb reportedly generating a minimum of 415 hp."

    Here's the link in case you want to see the pics:

    http://nh.craigslist.org/boa/1017402771.html

    Questions - my '75 Avenger has a decent ride in lake chop, any idea how the Marlin bottom would compare? Is a 409 a decent engine for a jet boat, and does the 415 HP sound right for a 409 with logs and snails? The ad doesn't mention the year - any guesses on what year this boat is?

    Thanks for any comments.

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    The only thing I have for you is that 409 is probably a bored out 396 or a bored out 402. The "real" 409 doesn't look anything like that engine. Price seems really high to me but I'm sure there's not near as many jet boats out that way like there is here in So Cal.

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    Member Dave01's Avatar
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    The price is very high. You're right, very few decent jet boats in the northeast but there are a few that pop up. If its in as good shape as it looks I'd think $5,000 would be more like it.

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    New here Beer:30's Avatar
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    A .060-over 396 would essentially be a 409. Since obviously it's not a W-motor.
    Quote Originally Posted by gn7 View Post
    EFI is the wave of the future. There can be no denying it. Electronics have been on the leading edge of our entire lives. Not only os the magneto dead, but the standard issue CDI is wavering. Its all about total fuel, air AND spark control. Anybody that thinks its not has their head up their ass.


    2001 SleekCraft 30' Heritage SSB, open-bow mid-cuddy. 496HO / Bravo-I.

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    mo balls than $cents$ IMPATIENT 1's Avatar
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    lil high, but it looks clean. if you're willin to drive, hotbo here has a quik taylor sj with a well built 468 in it that does mid 70's and the taylors take wakes/rough very well. think he's askin around 5k for it, would leave ya $room$ to change it to fit your personality.quik ass boat, but its in northern arkansas.another freshly restored sj i built a nice lil bbf for is coming up for sale soon as well, very nice boat for way less than the marlin, but again its in dallas tx area.

    i have a feeling that if you wait alil longer, alot better deals will be coming along soon. as gas soars past 3bucks heading into summer, the market is gonna drop out on em.

    Dare to be different, if it turns out great you can claim you planned it that way.

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    Senior Member ol guy's Avatar
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    Quote Originally Posted by hotrod56cars View Post
    The only thing I have for you is that 409 is probably a bored out 396 or a bored out 402. The "real" 409 doesn't look anything like that engine. Price seems really high to me but I'm sure there's not near as many jet boats out that way like there is here in So Cal.
    Ditto on hotrods post! Deffinetly not a prehistoric rat motor. 348-409 series. M

  9. #7
    Sit N' Spin Jetaholic's Avatar
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    Looks very similar to my 78 Marlin jet (except for the colors and the deck lid...my engine is exposed and I run headers). For a Marlin regardless of the motor that's in it I'd say $7500 is too high also. $4000-$5000 sounds more like it.

    Of course every boat is different, but mine ran 79mph with a NA 500hp 460 (454 0.030" over) and feels rock solid stable at that speed as well. She's also been through a few stunts and handles those really well. If that one is anything like mine it will be a very well handling boat and a pleasure to drive.

    Just my $0.02.



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    Member Dave01's Avatar
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    I don't mind driving some distance, and I agree there will be some deals if I wait. I guess when something is in my backyard I get interested since it doesn't happen too often!

    So if its a 396 bored over, could the 415 HP number be in the ball park? I'm running a mild 455 right now so I'm certainly not a speed demon in the Avenger, just want to be sure to get a motor with enough torque to be fun with a few people on board.

    Funny you mention the Taylor - I'd love to find a Taylor LP somewhere. I know I'd lose some speed but a 20-21 ft. boat has some appeal for me.

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    New here Beer:30's Avatar
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    Quote Originally Posted by Dave01 View Post
    So if its a 396 bored over, could the 415 HP number be in the ball park?
    Sure. Depending on the build. That's just over 1hp per cu.in., which is pretty easy to obtain with a BBC.
    Quote Originally Posted by gn7 View Post
    EFI is the wave of the future. There can be no denying it. Electronics have been on the leading edge of our entire lives. Not only os the magneto dead, but the standard issue CDI is wavering. Its all about total fuel, air AND spark control. Anybody that thinks its not has their head up their ass.


    2001 SleekCraft 30' Heritage SSB, open-bow mid-cuddy. 496HO / Bravo-I.

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    From that one pic of the engine I'm guessing its mostly stock. I'd be surprised if they did a whole lot of engine work and stayed with the exhaust logs.

    I got an email from the owner, he's going to send more pics so hopefully I can learn more. I'll ask him where he got the 415 HP estimate from, was it from someone who knows or just a number thrown out there. My main concern, not knowing a lot about the engine, is whether a 396 bored out to a 409 is a good reliable platform for a jet boat, does it have enough displacement.

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    Quote Originally Posted by Dave01 View Post
    I don't mind driving some distance, and I agree there will be some deals if I wait. I guess when something is in my backyard I get interested since it doesn't happen too often!

    So if its a 396 bored over, could the 415 HP number be in the ball park? I'm running a mild 455 right now so I'm certainly not a speed demon in the Avenger, just want to be sure to get a motor with enough torque to be fun with a few people on board.

    Funny you mention the Taylor - I'd love to find a Taylor LP somewhere. I know I'd lose some speed but a 20-21 ft. boat has some appeal for me.
    i've built 2 taylors, a dc and a sj good solid boats, just lil heavy for my taste
    check this site if you're lookin for a lp, its the taylor club site:

    http://thetaylorboatsroost52059.yuku.com/
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    Dare to be different, if it turns out great you can claim you planned it that way.

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    Member Dave01's Avatar
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    I finally got a chance to take a look at the boat. Its in good condition, obviously set up by someone who took some care, has very clean engine bay and wiring. It has a 12JG with droop and manual diverter, engine has remote oil filter setup. The owner said he guessed at the 415 HP because Chevy used to offer a stock 409 (396 bored out) that was rated for cars at 415 HP, so he really isn't sure of HP in this setup.

    Everything works on it, engine hatch was rebuilt and nicely mounted with gas struts. The duel fuel tanks have a selector switch and the fuel gauge reads each tank as it is selected. The trailer is in good shape with new tires.

    The hull number is EKWSH126H889. Does anyone know how I could find out what the year and model is?

    Thanks for any help with this. Its pretty close to what I'm looking for so if we can come close on a deal I'll probably buy it.

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    Free HIN Check Results
    HIN: EKWSH126H889
    Model Year: 1989
    Certification Year: 1988 (August)
    Manufacturer: MARLIN BOATS INC
    Not your manufacturer? Click here.
    Manufacturer City/State: WHITE CITY OR

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    Quote Originally Posted by Dave01 View Post
    ... Chevy used to offer a stock 409 (396 bored out) that was rated for cars at 415 HP... Thanks for any help with this. ...
    Not true.

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