Turbo piping almost done....:)
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Turbo piping almost done....:)

  1. #1
    Senior Member TwinTurbo540's Avatar
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    Default Turbo piping almost done....:)

    Here are a few pics of the hot side I built, going to do the cold side in the boat when the air to water IC shows up soon. Still need to build the turbo supports off the back of the heads. Thanks for looking.

    Travis
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    Last edited by TwinTurbo540; 04-29-2008 at 11:16 PM.

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  3. #2
    Senior Member TwinTurbo540's Avatar
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    more....
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    Cantard 71hallett's Avatar
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    Looks sweet!! What turbos are you using?
    Quote Originally Posted by gn7 View Post
    It would be a balmy 85* in Steel's shop if he would move a little faster

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    Highaboosta Unchained's Avatar
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    That's looking real good.
    It should be easy to make a simple heat shield to cover the header tubes.
    That's A lot like the configuration that Mike W did.

    It's good to see that guys are getting away from mounting the turbos over the valve covers. That always looked like bad engineering to me.
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    Twin Turbo 1800 HP V-Drive lake boat

    http://s621.photobucket.com/albums/t...t=MAH05771.mp4

    Quote Originally Posted by Trigger View Post
    No one cares about your buddies old antiquated garden hose technology.
    Quote Originally Posted by MAXIMUS View Post
    I think I could run more boost but it's a real hand full right now

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    Senior Member Here Comes Whitey's Avatar
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    Quote Originally Posted by Unchained View Post
    That's looking real good.
    It should be easy to make a simple heat shield to cover the header tubes.
    That's A lot like the configuration that Mike W did.

    It's good to see that guys are getting away from mounting the turbos over the valve covers. That always looked like bad engineering to me.
    With the right headers you can lash the valves with out removing anything with the turbos above the valve covers Why do you say its bad engineering.
    Most guys doing the turbo stuff do it this way, seems more the home built stuff mounts them way back. Just curious on your thoughts.
    In my opinion looks cleaner above valve cover.

    Those look like big turbos what are they? Should make good power. Card or efi?

  8. #6
    Senior Member TwinTurbo540's Avatar
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    Thanks mark! I am on threturboforums as snyper and I liked the way Mike did his set up so i kind of followed it. The turbos are Borg Warner S400's T6 1.10 ar on the turbine, guys are making 1600+ with a pair of these on a BBC. I went a little over kill with my set up for this hull but plan to upgrade to a better one next year.

    The headers are 2 inch primaries with 3 1/2 collectors to the turbos, I went with a 900cfm C&S Dual needle and seat carb.

    Thanks for the input guys!

    Travis
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    Thumbs up Valve covers

    Then there is those guys who mount their turbos TO the valve covers . . . . . what's up with that!

    Seriously, looks good TT540!

    LSR

  10. #8
    Or Seth, either one Budweiser's Avatar
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    Lookin' good Travis! Can't wait to see some video of that thing. Carb's a MONSTER! What Compression Ratio did you settle on?

    -Seth-

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    Quote Originally Posted by Here Comes Whitey View Post
    With the right headers you can lash the valves with out removing anything with the turbos above the valve covers Why do you say its bad engineering.
    Most guys doing the turbo stuff do it this way, seems more the home built stuff mounts them way back. Just curious on your thoughts.
    In my opinion looks cleaner above valve cover.
    Would you say that the access to the valve train is better with the turbos mounted over the valve covers or behind them ?

    I built my own because I hadn't found anything that looked like it made sense to me. When you are building your own, accessibility to all engine components is a factor in how you do it. You are not limited by the way someone else did it.

    Twin Turbo 1800 HP V-Drive lake boat

    http://s621.photobucket.com/albums/t...t=MAH05771.mp4

    Quote Originally Posted by Trigger View Post
    No one cares about your buddies old antiquated garden hose technology.
    Quote Originally Posted by MAXIMUS View Post
    I think I could run more boost but it's a real hand full right now

  12. #10
    Senior Member TwinTurbo540's Avatar
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    I am going with 8.75 to 1 on this set up, that with an air to water IC and the big turbos I should be seeing some big hp numbers on pump gas!

    I also chose to build my own headers for a couple reasons, one because just what Mark pointed out. I could build them just how I wanted to in order to get to the plugs how i wanted and the valve train. The other is it saved me a ton of money wich is nice for those of us with not so deep pockets!

    Mark,

    If you get a minute I really need a cam speced for this set up if ya dont mind? Im having trouble picking the right cam as this is my first real boat engine, solid roller.

    540 dart block
    single plain intake
    900 cfm C&S carb
    2 inch primaries with 3 1/2 collectors
    oval port cast iron heads, 2.19/1.88 on the valves
    6500 rpm

    Thanks if ya can help!

    Travis
    Last edited by TwinTurbo540; 04-30-2008 at 04:36 PM.

  13. #11
    TJS
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    Looks good Snyper..uh er TwinTurbo540. Have you posted this on TurboForums yet. Nice Job Man.
    T.J.

  14. #12
    Senior Member I DIG IT's Avatar
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    Hay Travis it all looking really sweet, Summer is comming. I think that you are going to spank the old CP. It's all going to be alot of fun anyways how much longer do you think it will take to get her all back together???

  15. #13
    Senior Member TwinTurbo540's Avatar
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    Brayden, whats up man! Not sure when it will all come togeather......probly mid june? Its been so cold here I am just not to motivated to crank on it. Also just tore the whole deck off the house and am building a new one around the pool, getting the pool open and putting all new grass in the back yard. LOL, to much shit going on like always!

    Travis

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    Highaboosta Unchained's Avatar
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    Quote Originally Posted by TwinTurbo540 View Post
    If you get a minute I really need a cam speced for this set up if ya dont mind? Im having trouble picking the right cam as this is my first real boat engine, solid roller.
    Picking cams is not really my specialty but I would go with a 114 to 116 lobe center cam and keep the duration down to keep the overlap down.
    I started out with a big cam and have progressively downsized.
    Big cams put huge stresses on the valve train. After the engine ate lifters a few times I'm done with that.
    Now I'm at a .630 lift and duration at .050 is around 250 degrees. It's a 116 lobe center. The turbos will make so much power that it's going to scream even if you had a stock cam in it.

    Twin Turbo 1800 HP V-Drive lake boat

    http://s621.photobucket.com/albums/t...t=MAH05771.mp4

    Quote Originally Posted by Trigger View Post
    No one cares about your buddies old antiquated garden hose technology.
    Quote Originally Posted by MAXIMUS View Post
    I think I could run more boost but it's a real hand full right now

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