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Ecotec Motor going into a boat

Discussion in 'General' started by 4bait, Jan 15, 2010.

  1. 4bait

    4bait Member

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    Started getting the Ecotec ready for a transplant into a boat it will still be a little way off as I'm waitng for a new sterndrive thats coming from the states and don't want to take the boat out of action until the colder months, so just starting to get things Ready.

    heres a few Pics of the water cooled manifolds taking shape

    Pay no attention to the dirty motor as it is yet to be stripped and overhauled.
    I got the series 2 engine for $30 because the previous owner thought it was no good and didn't know what was wrong with it, but all that was wrong was a broken $20 valve spring.

    Heres the manifold pics under construction built out of 316 stainless.

    plasma Cut out the exhuast flanges

    [​IMG]


    Drilled out the stud holes using the original manifolds as a template

    [​IMG]

    [​IMG]


    bent up the angles needed and welded inplace whilst still bolted to the block to ensure the risers sat where I wanted them and to try and minimise warpage.

    [​IMG]

    [​IMG]

    [​IMG]

    Heres one manifold almost finished just got to fit the anaodes and the water inlet tube and polish it up.


    [​IMG]


    when finished they should look something like these ones that cost $2500
    at least if mine don't work, I know I can buy them pre Fabbed Can also get some Cast Alloy ones From NZ for around 2K if need be.

    [​IMG]

    these are the Alloy NZ ones that look real nice, there fitted to the same motor with a super charger and it delivers 300 plus HP, but I think the stainless will be longer lasting.
    The Super charger may still be an option down the track.

    [​IMG]


    This is the boat it will be going into

    [​IMG]
    [​IMG]


    Cheers Andy
     
    Last edited by a moderator: Feb 11, 2018
  2. Troy711

    Troy711 Retired Old Fart Staff Member

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    Interesting conversion, keep us updated :D
     
  3. edals

    edals Well-Known Member

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    Very interesting, Good work with the exhausts. Hope it all works well. Be very smooth
     
  4. 383 hatch

    383 hatch Well-Known Member

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  5. CANYONERO

    CANYONERO Likes Cheese...

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    pleasantly suprised, i was expecting a statesman :p
     
    spokkeh likes this.
  6. Thomas1

    Thomas1 New Member

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    This is a cool project. Keep the pics and info coming :)
     
  7. 4bait

    4bait Member

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    thanks Guys

    will keep the updates coming but this project will still take a couple months as I want to keep the boat going while the fishing season is still good, Also the new outdrive is coming via sea so it will be 4 to 6 weeks before it arives. Grrrrrrr

    Next job will be to cut and shut the sump and build adjustable engine mounts then rebuild the motor to make it nice and fresh.

    Cheers Andy
     
  8. acarmody

    acarmody Donati..Whoa Green

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    Nice work mate, no messing around with your bate, ey? Most people are happy with a 20hp motor, much less a 200hp motor.

    Sometimes I think thats where my motor belongs, on a boat, at the end of a very long chain.
     
  9. 4bait

    4bait Member

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    The second exhaust manifold is nearly finished.

    [​IMG] .

    [​IMG]

    Also got the front engine mounts done.

    Made them out of Alloy, as I want to try and keep weight to a minimum.

    They are fully adjustable up and down so I can Line the drive shaft up properly. They will bolt up to the stringers.

    Next problem is that the oil filter sticks out too far to fit between the stingers so I need to decide whether to cut some stringer out of the boat and glass it up again for clearance, or whether to fit a remote filter.

    [​IMG]


    Cheers Andy
     
    Last edited by a moderator: Feb 11, 2018
  10. WogBoyz

    WogBoyz 435rkw/590rwhp

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    now thats one good flowing exhuast lol, looks good mate
     
  11. CommVTS

    CommVTS New Member

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    Very impressive work there mate, good luck with it all.
     
  12. 4bait

    4bait Member

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    Does anyone know the flywheel part numbers for the VS Ecotec or how are they identifiable vissually?

    I purchased a series 2, 8 bolt flywheel but do not know if it is Vr series 2 or VS series 2 etc.

    how can you tell the difference by looking at them?

    I don't really want to fit the whole thing in and find out that the boat vibrates like crazy

    My flywheel part number is 92061852 if that helps


    Have just stripped the motor down for the rebuild and will hopefull be fitting it in over the next few weeks

    Also curious as to who in the South East of Melb can do a cam shaft grind, and at what sort of cost, Looking for low down grunt and rpm between 1000 upto about 4800rpm for it to be more boat freindly

    Cheers Andy
     
  13. MR_VX

    MR_VX Forced to be Fast

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    wow this is cool i can wait to see the end result
     
  14. 4bait

    4bait Member

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    just bumping this

     
  15. delcowizzid

    delcowizzid on holiday

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    make sure there isnt a counterweight cast ito the back of the flywheel will tell you if its ecotec conterweight on buick
     
  16. 4bait

    4bait Member

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    MMM I think ive sussed it out after many hours searching on here and elsewhare

    Found a thread with these Flywheel part numbers
    Vr 92061465
    Vs 92061853

    Mine is 92061852 one number different so close but no cigar, but makes me feel a little better since it is along way from the VR part number

    then found a member on here who sold this VN to VR fly wheel on ebay because it vibrated in his VS.
    (Funny thing is I remember biding on it at the time LOL)

    this is the one he sold with a small weight built in to suit Vn to VR apparuntly
    [​IMG]


    And this is my one with the extra weight built in and a cut out so being different to the other one and having a close part number to the ones listed I think it may be the correct one?????? Heres hopeing

    [​IMG]

    Cheers Andy
     
    Last edited by a moderator: Feb 11, 2018
  17. 4bait

    4bait Member

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    Thanks for your help it makes me feel a bit better now. I saw the one you sold and thought you may have the right one now and possibly be able to reconise mine.

    I got the fly wheel for $200 delivered and the bloke just said it was a V6 series 2 fly wheel but didn't say what series it was LOL.

    He did say it would fit COMMODORE VN VP VQ VR VS VT which I knew could not possibly be right (this was from a holden wrecker selling on ebay) but for the price I figured it was worth the gamble and would still be re-sellable if it was no good for my needs.

    Cheers Andy
     
  18. GenReaper

    GenReaper Donating Member

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    If you are going to cool this motor with see water make sure you got plenty of electrolysis blocks fitted.
     
  19. 4bait

    4bait Member

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    the motor is fresh water cooled with Glycol through a heat exchanger only the stainless steel manifolds will be salt water cooled.


    Cheers Andy
     
  20. 383 hatch

    383 hatch Well-Known Member

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    Are those 02 sensors in the exhaust manifolds going to see salt water? I don't think they're going to like that very much.....
     

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