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  1. #31
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    Quote Originally Posted by Rotary John View Post
    My comments were about the 2 motors raced in '73 Paris. They were the same dimensions as the V-4 with the bore reduced for 2l. The reeds were horizontal like a V- 4 with 3 - 2 barrel carbs.I don't believe the 2l cross ever went into production as the first OMC V-6 production motor was the 2.4; a V-4 with 2 more cylinders. The loopers came about after I left.
    vertical like a v4,
    what I was getting at is it was essentially the pre production v6 x flow.
    I'll bet it looks the same?

  2. #32
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    Most of the cross-flow blocks where similar. Front half of the block and exhaust manifold was race special. Pretty boring stuff.
    OMC introduced the 3 cylinder 1968 and it was a looper. Also a race model and probebly the most successful race engine ever 20 years later.
    Last edited by lars strom; 06-21-2017 at 11:36 AM.

  3. #33
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    Quote Originally Posted by powerabout View Post
    the flywheel nut and the spark plugs. lol
    No, the flywheel was also different because of the belt driven power steering.

  4. #34
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    Lars: Did a V-8 ever run the Paris race?

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  6. #35
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    No, Mercury stopped the OZ class racing again in Paris 6 hours when OMC released the V8.
    We raced F1-V8 ones (1984) at a different place in Paris and not a enduro race.

  7. #36
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    I wrote this story about the Paris 6 hour race a year ago.

    In my opinion the famous Paris 6 Hour race died already 1981.

    http://svera.se/blogg/in-my-opinion-...-already-1981/
    Last edited by lars strom; 06-21-2017 at 11:43 AM.

  8. #37
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    These pictures are too good not to enlarge. These are for Jackie, whose deep devotion to the rotary has been never ending...

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  10. #38
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    Nice, thank you Bob V

  11. #39
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    First picture-Jimbo, first lap, 1st place, Parker 1973. Second picture Mouse (Harold) Wade rt. and Mike Kuala set up the boat for Provo 1973. Adapted V-4 14/23 gear case to the rotary for the first time.. Unfortunately Mike died 1974-Lukemia.

  12. #40
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    Jim:
    You need to go over to Scream and Fly site and set the record straight on v_6 history. I know you are an old fart like me, but history needs to be accurate

  13. #41
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    This is a perfect thread to get everything right regarding OMC race engine history.
    I believe I know most of what was going on in the OMC outboard tunnel boat racing world.
    Raced at all the big races as Paris (11 years), Bristol, Amsterdam, Rotterdam, Den Bosch, Rouen 24 hours, Cardiff, Nottingham, London, Lyon, Leon, Liege, Evian, Berlin, Berlin Tegel, Chasewater, Como, Idroscalo, Casale, Auronzo, Cremona, Vishy, Antwerpen,
    Brodenbach, Stockholm, Drammen, Sevilla, Lappenranta, Sabaudia, Lecco, Pittsburgh, Minneapolis, Johannesburg and many more great places.
    Last edited by lars strom; 06-21-2017 at 06:26 PM.

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  15. #42
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    Quote Originally Posted by lars strom View Post
    This is a perfect thread to get everything right regarding OMC race engine history.
    I believe I know most of what was going on in the OMC outboard tunnel boat racing world.
    Raced at all the big races as Paris (11 years), Bristol, Amsterdam, Rotterdam, Den Bosch, Rouen 24 hours, Cardiff, Nottingham, London, Lyon, Leon, Liege, Evian, Berlin, Berlin Tegel, Chasewater, Como, Idroscalo, Casale, Auronzo, Cremona, Vishy, Antwerpen,
    Brodenbach, Stockholm, Drammen, Sevilla, Lappenranta, Sabaudia, Lecco, Pittsburgh, Minneapolis, Johannesburg and many more great places.
    Did you know about the 5l V-8 Nerstrom was developing?

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  17. #43
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    Rotary John,
    Well Jim Nerstrom know way more than me regarding OMC engines but I know Mercury talked OMC in to sleeve down the racing V8 to 3 liter 1988 to please Mercury drivers.
    I think that was a mistake and a 5 liter sounds way better..
    The 1988 US Formula 1 Series..OMC used a 3 liter F1 V8..!!

    http://svera.se/blogg/the-1988-us-fo...3-liter-f1-v8/
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  18. #44
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    Name:  acc2.jpg
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  20. #45
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    5ltr v8 wouldnt be able to throw those pistons around so it wouldnt rev like the 3.0

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