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Thread: At long last - Merc 666!

  1. #21
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    Am I the only one who's loving this series of photos!

    Jeff

    PS: Interesting that TIm bolts the reed holders to the block where the old carbs bolted on. I did it the same way with my El Crude-Oh setups. Any other similarity ends there!

  2. #22
    Team Member Droll-l6's Avatar
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    Quote Originally Posted by Fastjeff57 View Post
    Am I the only one who's loving this series of photos!
    No, subscribed to the tread the first day ...


    Arne Kjetil
    My engines :
    Mercury TII, next project
    Johnson V4m-10s 90 hp 1964,from the prosess.
    Mercury 1400 1972 ,Rebuilding a Tower

  3. #23
    BoatRacingFacts VIP Aeroliner's Avatar
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    Default 666

    Tim it is looking great. As you know Doug used your castings for the exhaust of the 75-H he built. If you need any info on that your welcome to run over and take some measurements. I have some photos also if you would like them. He water cooled the filler block.

    Alan

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    Quote Originally Posted by Aeroliner View Post
    Tim it is looking great. As you know Doug used your castings for the exhaust of the 75-H he built. If you need any info on that your welcome to run over and take some measurements. I have some photos also if you would like them. He water cooled the filler block.

    Alan
    Thanks Alan,

    Doug and I spoke yesterday, we will get together soon. Meanwhile, here are a few more pics.

    Tim
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  5. #25
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    Default Photo series

    Quote Originally Posted by Fastjeff57 View Post
    Am I the only one who's loving this series of photos!

    Jeff

    PS: Interesting that TIm bolts the reed holders to the block where the old carbs bolted on. I did it the same way with my El Crude-Oh setups. Any other similarity ends there!
    Thanks for your interest Jeff. Here are a few more,

    Tim
    Attached Images Attached Images    

  6. #26
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    Default Carb flanges

    Quote Originally Posted by Fastjeff57 View Post
    Am I the only one who's loving this series of photos!

    Jeff

    PS: Interesting that TIm bolts the reed holders to the block where the old carbs bolted on. I did it the same way with my El Crude-Oh setups. Any other similarity ends there!
    Hey Jeff,

    Your observation about the carb flange mounting is instructive for those that may want to build similar mods. Note that the diagonal ribs remain untouched - they are needed to support the crankshaft thrust loads. Also, they are convenient hard points. The only other attachment option is the crankcase flange, which would require a complicated, difficult to machine, and heavier bridge casting.

    Tim

  7. #27
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    Would be legal in Pro on a runabout (1100 CCR) Would love to see it entered at the nationals.....Bob
    Bob Rusnak

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    Default 1100cc sounds like fun!

    Another great opportunity to hear that sweet sound (& smell). What engines are commonly run in 1100 runabout? Is the class run in the midwest?

    A little more 666 progress....

    Tim
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    In the 1100 Runabout class they mostly run Konig or Koney 700 cc engines, maybe a few 800+ engines and a VRP or Rossi. There is a Merc 6 cylinder run of Alky which can beat the Konigs. I believe it is a 66 ci. out of Calif. If your 666 isset up it should be competitive. The class is run in Constantine, Mich. and at the Pro Nationals. Too bad there are not more races for this class, It is a real crowd pleasure. ....Bob N-96
    Bob Rusnak

  10. #30
    Team Member JohnsonM50's Avatar
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    Quote Originally Posted by Tim Kurcz View Post
    Note sure if there is any difference about carb angle to the crank, except that straight-in is best. Unfortunately, Tillotsons are tall so there's no way to stack them. About 22 degrees offset each way (total 44) is the minimum splay for clearance between carb bodies (appx 1/16"). Interestingly the 444 uses factory couplers, as will the 666.

    The 444 set lowest ET at IOA Hillsdale, it's first race with Rich Welch driving. It now resides in the Mark Suter collection. See "Outboard History - Name that Outboard" section on this site for detail. I'm hoping the 666 will deliver another order of magnitude better. It will be interesting to see how it "stacks up" against my loop triple OMC's.

    Tim
    'Tall order' Good Luck Tim

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