BBF 460 to stroke or not to stroke...??
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BBF 460 to stroke or not to stroke...??

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    Question BBF 460 to stroke or not to stroke...??

    I have a build going on 22ft Taylor jet drive daycruiser with 460 I am looking into motor mods is it worth the money stroke my 460 to 500+ci... I will be using dove c heads and tru trans manifolds... I would like to run 70-80 maybe more what power will I need and will I need stroker or what u veterns think... I'm new to jet boats....

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    Senior Member stoker2001's Avatar
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    I am not a jet guy,so not really the guy to listen to.....
    But i am a ford car guy and that 460 can be pushed to around 550 inches easily cause of the tall deck hieght
    And with the budget stroker kits that are available these days,i think you would be crazy not to do it,especially if you want to go 80+ reliably
    Whacker Smacker M/E #561 IHBA "first looser"champ 2006&2007&Sportsman Driver of the Year

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    Bostick Racing Engines six-oh-nine's Avatar
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    Quote Originally Posted by n20z28 View Post
    I have a build going on 22ft Taylor jet drive daycruiser with 460 I am looking into motor mods is it worth the money stroke my 460 to 500+ci... I will be using dove c heads and tru trans manifolds... I would like to run 70-80 maybe more what power will I need and will I need stroker or what u veterns think... I'm new to jet boats....
    Stroker man... unless you plan on using cast pistons... the pistons, rings, & bearings will all run about the same whether you are std stroke or stroker... the difference will be the rods (which would be an upgrade so therefore a +) and the crankshaft... which when you think about how much to add a set of ARP rod bolts and resize rods and mag and grind a 30 year old who knows where it's been crankshaft vs what a new stroker crank and aftermarket rods cost... you're not looking at much difference. Plus the heads you have got a lot of potential for good hp whether you stoke or not... stroke being the easiest way to get ponies... especially since with the thru transom manifolds you're kinda limited on how much cam you can throw at it.

    So... if it were my wallet... I'd stroke it. Easy way to get power and the cost when you compare apples to apples is not too bad. Plus... a 22' boat would not suffer from a bit of added torque

    I think the main hinderance in your build would be the manifolds... IMO.
    The Bostick®

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    Resident Ford Nut Sleeper CP's Avatar
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    There are serveral ways to go from an off-set ground stock crank with the 4.14" or 4.30" stroker.

    Stroke it if you have the time and money it will be worth it. As Bostick said the logs might be a hold back so you need to find the best flowing snails you can.

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    No replacement for Displacement in a Boat. Big cubes and low compression make good dependable power for boats.
    Chris Straub
    Straub Technologies

    3HP is an A$$ Whooping!!! JW

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    Senior Member hotbo's Avatar
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    stroke it,70-80 in a daycruiser well welcome to a real challenge ahead of you.

    might see 70 to low 70s but 80 im thinking is out the window.best of luck,Travis

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    www.highflowdynamics.com LakesOnly's Avatar
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    Quote Originally Posted by n20z28 View Post
    I have a build going on 22ft Taylor jet drive daycruiser with 460 I am looking into motor mods is it worth the money stroke my 460 to 500+ci... I will be using dove c heads and tru trans manifolds... I would like to run 70-80 maybe more what power will I need and will I need stroker or what u veterns think... I'm new to jet boats....
    If you want to run pump gas and use the D0VE heads, then you are going to need a dished piston in the 28-36 cc range, depending on stroke (4.14"-4.30") in order to maintain 10:1 or slightly less. A "D" shaped dish that mirrors the combustion chamber and maintains the effectiveness of the cylinder head's quench pad will be paramount with the iron heads--no round dished pistons. The heads will need to be well ported on both the intake and the exhaust, and oversize valves would be a very good idea given the increased displacement of the engine. Work the transom logs, too. Add the proper camshaft and induction and you can have a very healthy, powerful, great sounding, and realiable engine that will move your boat to the speeds you are targeting.

    LO
    High Flow Dynamics
    Performance Components for the 429/460 Engine Family


    This post © Copyright 2007-2020 Paul Kane. No copying, linking, printing or otherwise without express written permission.

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    What about fire slots?

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    gn7
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    Please tell those aren't what I think they are, in the racks of your avatar.



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    gn7
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    Quote Originally Posted by Warp Speed View Post
    What about fire slots?
    I forgot all about those! Although I refer to them as squishy slots!



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    Quote Originally Posted by Warp Speed View Post
    What about fire slots?


    Add another 1/2-point to full-point of compression depending on engine particulars and tune.
    High Flow Dynamics
    Performance Components for the 429/460 Engine Family


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    Quote Originally Posted by LakesOnly View Post


    Add another 1/2-point to full-point of compression depending on engine particulars and tune.

    What are fire slots? So need I need to dish out cash for stroker the way it sounds...

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    www.highflowdynamics.com LakesOnly's Avatar
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    Quote Originally Posted by gn7 View Post
    I forgot all about those! Although I refer to them as squishy slots!
    Fire slots, quench trench, squish jets, etc.... :ccol:
    High Flow Dynamics
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  16. #14
    www.highflowdynamics.com LakesOnly's Avatar
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    Quote Originally Posted by n20z28 View Post
    So need I need to dish out cash for stroker the way it sounds...
    Not necessarily, depends on what exactly you want to do. Feel free to give me a call and I'll be happy to point you in the right direction build-wise.

    LO
    High Flow Dynamics
    Performance Components for the 429/460 Engine Family


    This post © Copyright 2007-2020 Paul Kane. No copying, linking, printing or otherwise without express written permission.

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