Big block Chevy 565 combo
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Big block Chevy 565 combo

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    Senior Member ps 14's Avatar
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    Default Big block Chevy 565 combo

    Who is running a 565 bbc in there jet boat ?
    What are some of your combo's
    Been gathering parts to build new engine
    parts I have
    dart block
    afr 357 CNC heads
    10.5 to 1 compression ( pump gas )
    single plane super victor intake
    1050 dominator
    i think I'm headed in the right direction ?

    Will need cam not sure if going solid or hyd roller yet
    Thanks

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    Great question... I'm interested in hearing some ideas for 565/572 combinations myself. I was originally thinking 572 but a couple people recommended a 565 may be a better choice.

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    Some guy obnoxious001's Avatar
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    Quote Originally Posted by ps 14 View Post
    Who is running a 565 bbc in there jet boat ?
    What are some of your combo's
    Been gathering parts to build new engine
    parts I have
    dart block
    afr 357 CNC heads
    10.5 to 1 compression ( pump gas )
    single plane super victor intake
    1050 dominator
    i think I'm headed in the right direction ?

    Will need cam not sure if going solid or hyd roller yet
    Thanks
    Sounds like you have made most of the decisions if you already purchased the listed parts. To decide on the correct cam, you need to specify type of usage, which exhaust you have, and RPM you plan to turn (which will also depend on what you are doing with the pump)

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    Urban Cougar Trapper Gopher711's Avatar
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    Well I'm a little short on inches but that's my life story LOL !
    555
    Dart Tall Deck , Billet Caps , bushed .904 lifter bores , race prepped and square decked ,etc...
    Oliver Billet 6.800 Rods
    JE Blower Pistons 9:75/1 static , steel rings
    Callie's pro magnum crank ,dual keyway
    Straub solid roller .714/.680
    Milodon Gear drive
    Manton Pushrods
    Morel Lifters
    Straub Oil pump and 10qt pan
    Pro Topline 320cc alum heads w/ 11/32 severe duty valves ..Straub Springs and retainers , heads flow a hair over 400cfm
    T&D Shaft Rockers
    Cometic head gaskets
    ATI Blower Dampner and Flex-plate
    ARP head studs and extra bolts in Dart Block valley
    ARP oil pump bolt and hardened drive
    http://oathkeepers.org
    Due to the fact that GOD limited mans intelligence , it's unfortunate he did not also limit his Stupidity !!!

  7. #5
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    Quote Originally Posted by Gopher711 View Post
    Well I'm a little short on inches but that's my life story LOL !
    555
    Dart Tall Deck , Billet Caps , bushed .904 lifter bores , race prepped and square decked ,etc...
    Oliver Billet 6.800 Rods
    JE Blower Pistons 9:75/1 static , steel rings
    Callie's pro magnum crank ,dual keyway
    Straub solid roller .714/.680
    Milodon Gear drive
    Manton Pushrods
    Morel Lifters
    Straub Oil pump and 10qt pan
    Pro Topline 320cc alum heads w/ 11/32 severe duty valves ..Straub Springs and retainers , heads flow a hair over 400cfm
    T&D Shaft Rockers
    Cometic head gaskets
    ATI Blower Dampner and Flex-plate
    ARP head studs and extra bolts in Dart Block valley
    ARP oil pump bolt and hardened drive
    Are you running a blower and what kind of fuel?

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    Urban Cougar Trapper Gopher711's Avatar
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    Yes , 8/71 - twin 1050's on AV Gas Boost will be kept to 4# in lake mode, this motor naturally aspirated will make more HP than my old did 454 blown so at just 4# it should haul the mail just fine at the lake as Ive also done extensive pump and hull changes that should really free the boat up ...I can still pulley swap and run C16 if needed . I have a inter cooler not installed and may not even use it ..haven't decided yet ...main objective of 9:75:1 compression is the ability to throw on a hat and go Inj Alky should I decide to go that route down the road
    http://oathkeepers.org
    Due to the fact that GOD limited mans intelligence , it's unfortunate he did not also limit his Stupidity !!!

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    Does a solid roller require frequent valve adjustments like a true solid does?

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    Yes , but how often depends on how hard you beat on it , spring pressures and rates , and quality of components selected .
    example ...use joe racers rocker arms vs a set Crane Gold yes they will most likely not hold lash settings near as well ....add a set of Jesel or TD shaft and maint goes down even more
    http://oathkeepers.org
    Due to the fact that GOD limited mans intelligence , it's unfortunate he did not also limit his Stupidity !!!

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    Quote Originally Posted by Gopher711 View Post
    Yes , but how often depends on how hard you beat on it , spring pressures and rates , and quality of components selected .
    example ...use joe racers rocker arms vs a set Crane Gold yes they will most likely not hold lash settings near as well ....add a set of Jesel or TD shaft and maint goes down even more

    Thanks for the answer! I know it's only a wild guess but how often for a boat that made a 3 mile run each way to and from the ramp and of course had 2 or 3 good hard runs in that distance each way plus going out and having a couple play times each day making 3 to 4 passes on a Saturday and Sunday with all the best parts you mentioned being used?

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    Man , there are so many variables , but look up Scott Foxwell , or Barry (obnoxious that posted on his thread ) on here ...these guys build engines for a living and could give you a more realistic answer based on years of experiences
    Last edited by Gopher711; 12-11-2015 at 02:11 PM.
    http://oathkeepers.org
    Due to the fact that GOD limited mans intelligence , it's unfortunate he did not also limit his Stupidity !!!

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    Quote Originally Posted by drc9805 View Post
    Does a solid roller require frequent valve adjustments like a true solid does?
    There is kind of an important benefit to having to pull the valve covers and adjust valves, you get a chance to have a look and see if anything funny, like lash getting tight, you may be able to check it out before a more severe problem occurs.

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    I know it wouldn't be bad at all once I did it a time or two but, I have to admit, I've only ran valves with an engine running with cutout valve covers and that's not the way I would want to do it anymore. If the benefit far outweighs the performance a hydraulic roller could supply for my setup then I'm definitely open to a solid roller. A lot of decisions to be made!

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    Quote Originally Posted by drc9805 View Post
    Thanks for the answer! I know it's only a wild guess but how often for a boat that made a 3 mile run each way to and from the ramp and of course had 2 or 3 good hard runs in that distance each way plus going out and having a couple play times each day making 3 to 4 passes on a Saturday and Sunday with all the best parts you mentioned being used?
    I've been running solid rollers with crane golds for 15 years. both in a 538 and 572. the ci has nothing to do with the rockers. quality and lift/design of cam, quality of lifter, and quality and matching of springs, with everything set up properly, has everything to do with how frequently you -may- have to adjust rockers. with all that -stuff-, there are a lot of very important small pieces involved. in other words, if you really have to "adjust" lash, like more than a thousandth here or thousandth there, something may very well be going wrong. same reason you'd want to pay attention to jesel's or t&d's. in other words, it's not so much that you need to "adjust" lash, as it is how often you choose to check lash. if you have a cam with a 1/2" or .600 lift, you may decide to check things once in awhile. if you have a cam with one inch of lift, you're going to want to check lash every time you run the thing.
    when I had mid .700 lift, after initially getting them set where we wanted, I'd go a weekend then check at home. no changes. doing that race after race with no changes. in other words, I could go well over a hundred laps and see no change in lash. and that went on for years. with crane golds.
    now I'm well over .800 lift, and I've had a stud break. replaced it and ran on. since it's still relatively new (60 laps or so), I'm still checking lash on Saturday nights, as well as between races. still crane golds.
    the more frequently you pull the covers and check lash, the better you get at doing it. it's really not a big deal. but it is something you should keep on top of. because if a lifter fails to destruction, you would wish you'd caught it sooner...
    Last edited by bp298; 12-11-2015 at 02:43 PM.

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    Quote Originally Posted by bp298 View Post
    I've been running solid rollers with crane golds for 15 years. both in a 538 and 572. the ci has nothing to do with the rockers. quality and lift/design of cam, quality of lifter, and quality and matching of springs, with everything set up properly, has everything to do with how frequently you -may- have to adjust rockers. with all that -stuff-, there are a lot of very important small pieces involved. in other words, if you really have to "adjust" lash, like more than a thousandth here or thousandth there, something may very well be going wrong. same reason you'd want to pay attention to jesel's or t&d's. in other words, it's not so much that you need to "adjust" lash, as it is how often you choose to check lash. if you have a cam with a 1/2" or .600 lift, you may decide to check things once in awhile. if you have a cam with one inch of lift, you're going to want to check lash every time you run the thing.
    when I had mid .700 lift, after initially getting them set where we wanted, I'd go a weekend then check at home. no changes. doing that race after race with no changes. in other words, I could go well over a hundred laps and see no change in lash. and that went on for years. with crane golds.
    now I'm well over .800 lift, and I've had a stud break. replaced it and ran on. since it's still relatively new (60 laps or so), I'm still checking lash on Saturday nights, as well as between races. still crane golds.
    the more frequently you pull the covers and check lash, the better you get at doing it. it's really not a big deal. but it is something you should keep on top of. because if a lifter fails to destruction, you would wish you'd caught it sooner...
    Thanks bp... that's good information! I would not be over the mid .700" lift for sure.

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