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Thread: At long last - Merc 666!

  1. #171
    Administrator Aeroliner's Avatar
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    Default 666

    Hi Tim,
    Great progress on the 666. If the pond is still free of ice you can go for a ride. Can't wait to see a video of the engine underway. Should be quite a ride.

    Alan

  2. #172
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    Default

    Tim'
    Have you weighed the 666 an the turbo 56 ???

  3. #173
    Team Member BJuby's Avatar
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    Default

    Love the custom bracketing for the ignition tower.

    Quick question. The pulley gear on the top of the ignition tower. Did you make that, or are they sold somewhere. I could use a couple.

    Thanks.

  4. #174
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    Default Turbo vs 666

    Quote Originally Posted by BJuby View Post
    Love the custom bracketing for the ignition tower.

    Quick question. The pulley gear on the top of the ignition tower. Did you make that, or are they sold somewhere. I could use a couple.

    Thanks.

    Thanks for your thoughts on the bracketing - still needs a little work but good enough for the show. Interestingly, the horizontal support actually came from Bud Parker's stash!

    Otherwise, the distibutor pulley is factory stuff. Any older Merc dealer should have them laying around. BTW: This distributor is from a 1975 Merc 1500.

    Tim

    PS The turbo is 166#. Though not weighed yet, it is expected the 666 will be in the 172-176# range.

  5. #175
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    Default MK78A to 666 Comparison

    Mercury MK 78A - 1959
    Six cylinders in-line, deflector
    66 cubic inches
    70 HP @ 5500 RPM
    Carbs = 3-Tillotson 1" venturi
    Reed cages = 3-Crankshaft mounted
    Reeds = Four single leaf stainless steel per cylinder
    Mixture flowpath = double 90 under crank counterweight
    Porting = Three round intake and exhaust ports
    Exhaust = Internal through tower housing
    Ignition = Dual point battery, belt driven distributor
    Mid section = Cast aluminum 15"
    Gearcase = Mercury non-shifting "dockbuster"
    Operating speed range = 35-45 MPH
    Weight = 188 Lbs

    Kurcz-Mercury 666 - 2012
    Six cylinders in-line, deflector
    66 cubic inches
    110 HP @ 7500 RPM (Est.)
    Carbs = 6-OMC 1" venturi
    Reed cages = 6-Crankcase mounted pyramid
    Reeds = Six dual stage composite
    Mixture flowpath = Straight-in between crank counterweights
    Porting = Three center squared intake and exhaust ports
    Exhaust = External tuned converging stacks
    Ignition = Breakerless battery CD "Thunderbolt", belt driven distributor
    Mid section = Welded steel racing - 10"
    Gearcase = OMC 45SS non-shifting racing
    Operating speed range =90-100 MPH
    Weight = 172 Lbs-176Lbs (Est)

  6. #176
    Team Member proprider01us's Avatar
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    Default

    Thanks for the comparison info. Certainly puts things a bit more in perspective. Do you plan to have it "barking" at Mark'
    s show?

  7. #177
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    Default Almost show ready!

    Thanks to all for your interest and encouragement.

    The 666 is in the 95% mockup stage, so will not be fired at Suter's (also because it will be displayed inside). It will be torn down after the show to complete reed cage stuffers, weight reduction, final fitting and assembly. After this mad rush I'm going to take a couple weeks off, but you'll see a continued stream of images when work commences. First fire will be next summer.

    For those who can't make the show, these images should hold you for a while. Local racers and collectors will see it Saturday. Gotta admit it's quite a piece! I look forward to seeing many of you there!

    Tim
    Attached Images Attached Images      

  8. #178
    Team Member BJuby's Avatar
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    How long is the hydro? 11'? Thing looks awesome.

  9. #179
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    Default Ropp hydro

    Quote Originally Posted by BJuby View Post
    How long is the hydro? 11'? Thing looks awesome.
    You can thank Dale Ropp for the lines. Built in 2000, it's 13'-0" with a 38-1/2" bottom and 92" afterplanes. It runs eveything from a 45SS to the turbo and next year will run the 666. Comfortable and predictable, it's very stable to 95+.

    Tim

  10. #180
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    Quote Originally Posted by Tim Kurcz View Post
    You can thank Dale Ropp for the lines. Built in 2000, it's 13'-0" with a 38-1/2" bottom and 92" afterplanes. It runs eveything from a 45SS to the turbo and next year will run the 666. Comfortable and predictable, it's very stable to 95+.

    Tim
    You definitely the man, that thing is beautiful.

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