540 Arias Twin Turbo / EFI dyno video
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540 Arias Twin Turbo / EFI dyno video

  1. #1
    Highaboosta Unchained's Avatar
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    Default 540 Arias Twin Turbo / EFI dyno video

    We made another dyno pull today and the engine ran great as usual.
    Made 1734 ft lbs torque and 1742 HP @ 5275 rpm.

    http://i621.photobucket.com/albums/t...g?t=1258831345

    We ran into a limitation of the size of the exhaust pipe from the engine going through the wall. From the 4" pipes on the turbos it run's 8' and necks down to 3 1/2 " going through the wall. That made significant back pressure over the boat installation where the 4" pipe is only 16" long.
    This dyno was only good for 850 hp before all the recent upgrades he did so backpressure was never a concern before.

    In the boat the highest back pressure I ever showed on the gauge was
    22 1/2 # @ 7800 rpm @ 27# boost.
    On the dyno the back pressure was up to 40# @ 5250 rpm.
    http://i621.photobucket.com/albums/t...g?t=1258831633
    We stopped there until a future date when the pipe size can be increased.
    With a back pressure problem the law of diminishing return applies.
    I would speculate that the HP with less back pressure and at the 7800 rpm I ran it this summer was somewhat higher.
    I figured it made a good enough show for a ski boat engine as it was

    Here's the video,


    It was pretty impressive to hear the turbos scream when he loaded it down with 100% throttle at 3000 rpm.
    I forgot to put a piece of tape over the mic hole on the video camera so the sound about goes blank when it got real loud.
    I couldn't believe how red the pipes got.

    I guess it seems a little absurd that we used this for so much water skiing and tubing this year.
    Rode 4 of us and my granddaughter in the boat for hours. She fell asleep in the back seat.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by Unchained; 11-21-2009 at 11:51 AM.

    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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  3. #2
    No Sandbar To Far sanger rat's Avatar
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    NICE! Why not just leave the pipes unhooked?
    Quote Originally Posted by One More Year View Post
    The only blab's I will even be a part of is just when it is me they are talking about. Aaaah yes I can see a few good looking shiny tall deck motors on the beach, with barely enough fuel to get back to the launch saying, "Holy crap how fast you think that Daytona was going man? That's like the 20th time he's gone by today?"

  4. #3
    mo balls than $cents$ IMPATIENT 1's Avatar
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    i called billy to tell him and all he said was "godddddddd, magine what he's making uncorked"

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

    Jetboatperformance.com

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    Senior Member ap67et10's Avatar
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    Mark, this is awesome...you turbo guys can get a little credibility now i hope. over 1700 hp and tq at just over 5000rpm...man thats so awesome! looking forward to an all out pull!

    AP

  7. #5
    mo balls than $cents$ IMPATIENT 1's Avatar
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    Quote Originally Posted by ap67et10 View Post
    Mark, this is awesome...you turbo guys can get a little credibility now i hope. over 1700 hp and tq at just over 5000rpm...man thats so awesome! looking forward to an all out pull!

    AP

    never thought we needed any from anyone here jus cause others don't get it don't mean we don't understand what we build

    gonna call monday and make sure self racing can do 5in duals for billy's, i don't want his motor necking down at all, his turbo outlets are 15inches long and 5inch id
    Last edited by IMPATIENT 1; 11-21-2009 at 12:19 PM.

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

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    Highaboosta Unchained's Avatar
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    Quote Originally Posted by sanger rat View Post
    NICE! Why not just leave the pipes unhooked?
    It's inside a building. It would gas out the entire place immediately.
    The wastegate tubes ARE open and even with a big exhaust fan you can smell fumes strong after the pull. The velocity from the wastegate tube was blowing shit off the pegboard on the wall 8' away.

    I'm going to call it good enough for this year.
    Motor ran like a top and idled down smooth after all that. Just like the rest of the summer.

    Tom, The turbine outlet is 5" and I necked it down to 4" because I had that size from the Garretts with the O2 sensor bung and they were ceramic coated.
    That is still larger than the turbine exducer which I believe is 94mm (3.69").
    Not ideal but that's what I did.

    I think it was OK with a shorty pipe but not OK with 8' of pipe on it and necking down to 3 1/2".
    The gauge on the manifold tells all.
    Last edited by Unchained; 11-21-2009 at 01:10 PM.

    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

  9. #7
    Senior Member Hass828's Avatar
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    Quote Originally Posted by Unchained View Post
    It's inside a building. It would gas out the entire place immediately.
    The wastegate tubes ARE open and even with a big exhaust fan you can smell fumes strong after the pull. The velocity from the wastegate tube was blowing shit off the pegboard on the wall 8' away.

    I'm going to call it good enough for this year.
    Motor ran like a top and idled down smooth after all that. Just like the rest of the summer.

    Tom, The turbine outlet is 5" and I necked it down to 4" because I had that size from the Garretts with the O2 sensor bung and they were ceramic coated.
    That is still larger than the turbine exducer which I believe is 94mm (3.69").
    Not ideal but that's what I did.

    I think it was OK with a shorty pipe but not OK with 8' of pipe on it and necking down to 3 1/2".
    The gauge on the manifold tells all.
    Thats awsome Mark, that thing as set up in the boat is knocking on 2000hp and probably close to that in the TQ department.
    Cool thing is the reliability that comes along with this type of setup. No other setup would put out that kind of hp and be as reliable. Not to mention how docile they start-idle & cruise, but there's a monster under that throttle pedal

  10. #8
    T&Y
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    What kind of boat is this going in? I like how the headers were glowing lol..

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    Senior Member EVILFORCE's Avatar
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    I think this will work in that 22 Daytona out in the driveway that has no motor in it. Want to test it out on the water?
    No Fool Like A Old Fool is there?

  12. #10
    Senior Member Boat 405's Avatar
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    Nice numbers. Very Impressive.
    Boat 405.

  13. #11
    The Man cordog009's Avatar
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    Sick Yea those headers did start glowing pretty bright


    1984 Youngblood TX-19 SOLD

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    sweet,your gonna hurt his dyno if you keep going.
    was the torque looking like it was pretty much peaked out
    @ the 5200 rpm or was it climbing with the hp?I know your cam is a little different size than mine that's why i was wondering.how was your a/f ratio holding,being it was loaded up more in the 5000 rpm range than in the boat?Curious to see what the curves look like to 7800.
    doing that year after year without a stud girdle,i'm not that brave but it makes me feel pretty good about my set up and shows the reliability you can achieve.I have the same heads as you do and could not use the big pushrods due to side geometry,i'm using Smith Bros,what pushrods are you using?I feel like that's a weak spot for me,i wanna go to shaft rockers but $$$$$$.Nice job Mark.

  15. #13
    Mr. Potato Head
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    WOW great job Mark now I know why my neck was sore after that ride I got this summer.. If any of you want to feel a boat pull just ask Mark for a ride.
    76 COLE TR2

  16. #14
    Resident Ford Nut Sleeper CP's Avatar
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    Quote Originally Posted by T&Y View Post
    What kind of boat is this going in? I like how the headers were glowing lol..

    It's the boat in his sig line V-drive Daytona.



    Mark how much boost for these numbers and E-85 fuel ?

    Was that the power pull ? What do you think it's capable of at 7,500 ?

    Wow

    S CP
    Last edited by Sleeper CP; 11-21-2009 at 05:31 PM.

    "Dark Sarcasm"
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    fast is the other half.
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