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Thread: At long last - Merc 666!

  1. #1
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    Default At long last - Merc 666!

    For your six cylinder Merc lovers, be sure to attend Mark & Elaine Suter's AOMCI swap meet October 20 where you'll see the completed 666. A series of pics will be posted here as the project develops. Enjoy!

    Tim
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    Last edited by Ron Hill; 01-18-2013 at 12:22 PM.

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    BoatRacingFacts VIP Aeroliner's Avatar
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    Default 666

    Hi Tim,
    Thanks for posting the latest project. Should be a fun engine. Is it starting with a60 or 66 cubic inch engine? Seem to recal that someone had built one with 9 carbs way back in time.

    Alan

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    Default 666

    6 cylinder, 6 carbs, 6.... ?

    Looks awesome so far!

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    Default 666 = 6 carbs, 66 cubic inches

    Hi Alan,

    Even though it's not legal for racing, the "666" is based a "Super Marathon' because pistons are readily available - big brother to the "444". It will have Parker stacks and Speedmaster, mounted on one of my (very short) steel towers. Hopefully you'll be able to see it at Suter's. More pics.

    Tim
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  5. #5
    Allen J. Lang
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    Hi Tim, won't be able to attend Mark's AOMC meet, so, please post pictures. From what I understand, Mark's collection is now having space problems. Spoke to Mark at the racers reunion at DePue a couple of weeks ago. Sure miss the MI days. It was great seeing Mark and the Harrison engines he brought. Even met Kay Harrison.
    Keep those ideas coming.

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    Default Merc sixes

    For Alan and Al,

    You betcha, images will be posted after the meet. For now, will post construction images as it progresses.

    About the 9-carb six: This was an F-alky owned/raced(?) by Joe Michelini at one time; not sure who built it. Pretty sure there are images in this site in the "random shots from the pits" section. Very complicated looking. Unfortunately, there are no reports on how it worked. Perhaps a reader who knows will respond: Gene East or Bruce Summers?

    Given the very tall Speedmaster, this "all-Mercury" engine (Doug Kay's suggestion) is sized for my Ropp hydro for a few fun runs - gotta hear that sweet Merc six sound, and wake up the neighbors every now and again!

    Tim

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    BoatRacingFacts VIP Aeroliner's Avatar
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    Default Six carbs-love it

    Found this in the Mercury 40-H thread.

    Alan
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    I've never read anywhere about carb inlet location versus crank angle
    I wonder if and how much difference that makes

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    Default 444 & photoshop

    Quote Originally Posted by Aeroliner View Post
    Found this in the Mercury 40-H thread.

    Alan
    Hi Alan,

    That image is a clever piece of photoshop by Sam Cullis, a very knowledgeable Merc six fancier. Within a few weeks, it will be reality.

    Tim

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    Default Carb splay

    Quote Originally Posted by Powerabout View Post
    I've never read anywhere about carb inlet location versus crank angle
    I wonder if and how much difference that makes
    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

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