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  1. #76
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    Ric McChesney is another man behind many OMC racing engines.
    We meet Ric when I was an Evinrude Ambassador three years ago.
    The picture with Ric and my wife Carina is from the Evinrude factory in Sturtevant, Wisconsin when the new G2 was introduced.

    Last edited by lars strom; 07-30-2017 at 11:01 AM.

  2. #77
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    Quote Originally Posted by lars strom View Post
    Ron Anderson and the mighty OMC F1-V8
    I thinks thats a one off mwm injection engine not sure if it was OMC or not?
    Last edited by powerabout; 06-22-2017 at 07:23 PM.

  3. #78
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    Quote Originally Posted by lars strom View Post
    1985 the first year of the 6 inch mid section some broke because of bad materiel..OMC made new ones and the problem was gone.
    I think the swivel housing was ally then they went to steel

  4. #79
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    More F1-V8 powerheads.

    Last edited by lars strom; 07-30-2017 at 11:01 AM.

  5. #80
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    twin plug heads
    Attached Thumbnails Attached Thumbnails Twin plug heads.jpg  

  6. #81
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    CFI under the lid
    8 bit motorola eprom chip
    The dip switches change the map for altitude
    batch fire 4 +4
    injectors same as Merc used in their engines right up to 260/280/300, 0280 150 036, same as lots of cars in those days
    Same box for 3.5 and 3.0 just change the chip.
    Runs Baro, tpi, iat and crank sensor in ring gear (no engine temp)
    57psi system, I hear they ran the pumps on 24v in those days as they couldnt get big enough pumps, wasnt a lot of EFI around in early 80's
    Attached Thumbnails Attached Thumbnails CFI pack.jpeg  
    Last edited by powerabout; 06-22-2017 at 08:48 PM.

  7. #82
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  9. #83
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    More 3.5 liter V8 powerhead. Carburetor model.

    Why can't I post large pictures..???
    Attached Thumbnails Attached Thumbnails V8 5.jpg  

  10. #84
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    Click image for larger version. 

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  12. #85
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    The 3.5 liter V8 apart
    Picture credit: Freddie Webb
    Attached Thumbnails Attached Thumbnails IMG_1017.jpg   IMG_1019.jpg   IMG_1020.jpg   IMG_1018.jpg  
    Last edited by lars strom; 06-24-2017 at 08:14 AM.

  13. #86
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    Click image for larger version. 

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  15. #87
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    hows the size of those nozzles in the carbs?
    ( they are huge)
    Last edited by powerabout; 06-24-2017 at 09:19 PM.

  16. #88
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    I don't remember powerabout, but there was a few different carburetors to use.

    A mix of Evinrude/Johnson F1 V8 engines/powerhead

    http://svera.se/blogg/a-mix-of-evinr...inespowerhead/

    A famous OMC man installing the F1-V8 powerhead for Jimbo McConnell.

    Last edited by lars strom; 07-30-2017 at 11:02 AM.

  17. #89
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    What we all forget sometimes, all of this was done on pencil and paper, wooden patterns and sand castings. No CAD or 3-D patterns or molds. Every part had to be drawn and dimensioned on paper. Then the drawing went to the pattern shop where shrinkage had to be figured in and then out to the casters before coming back in to be machined in the machine shop. A far cry from how its done today.

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  19. #90
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    F1-V8 lineup in Lyon, France 1983. The first #8 boat is me.

    Last edited by lars strom; 07-30-2017 at 11:03 AM.

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