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Thread: 46 Knuckle engine

  1. #21
    Join Date
    Apr 2008
    Location
    Upper Yarra Valley, Victoria. Australia
    Posts
    829

    Default

    Hi Tom.
    For the sake of a thorough evaluation, I tried to test your following enquirey :
    Pan head cam + pan head lifter blocks + knuckle head cases = imperfect alignment (on all lobes?)

    Our “interesting side note” just swerved into a “We should have stuck to the main road” kind of thread.
    I got out a set of aluminium Pan lifter blocks and tried to fit them in the case.
    Ivan must have been handy guy with machines and tools because there's a whole mess of work and modification to be done before the Pan lifter blocks can be fitted and bolted down.
    At a quick glance. Both Knuckle oil vacuum holes need to be plugged as they are outside the gasket flange of the Pan lifter blocks.
    Front and rear lifter blocks need holes drilled, tapped, egged to one side.
    The allure of dem alloy heads must have been too much for some of the old hot rodders.
    The lifter rollers all had about 1/16" hanging off the lobes toward the cam cover.

    P9040001.jpg


    P9040001_1.jpg

    P9040002.jpg


    P9040003.jpg


    P9040004.jpg


    Ohhh thank god! Here's the the track back the main road.
    Steve Little
    Upper Yarra Valley. Victoria.
    Australia.
    AMCA member 1950

  2. #22
    Join Date
    Mar 2009
    Posts
    539

    Default

    Main road it is, no looking back!

    (A study of belly numbers is certainly in order....)
    Last edited by Rooster; 09-03-2017 at 11:28 PM.

  3. #23
    Join Date
    Apr 2008
    Location
    Upper Yarra Valley, Victoria. Australia
    Posts
    829

    Default

    Keeping in form with the metaphors, I have come to a roadblock in this engine rebuild.

    While I was collecting parts for this engine I mistakenly collected 2 front rocker boxes.
    I cant continue with the rear head until I find a rear 41- 46 style rocker box.

    If someone needs a front 1946 (F6 date code) or a front 1940 (A0 date code) rocker box I can offer a swap and I will pay all freight.

    Or I am happy to buy it outright.

    Pictures and descriptions of both rocker box's that I have to trade are listed in the WANTED section at the bottom of the main page of this forum.

    I'm in a bind and offer apologies for the shameful prompt.
    Steve Little
    Upper Yarra Valley. Victoria.
    Australia.
    AMCA member 1950

  4. #24
    Join Date
    Apr 2008
    Location
    Upper Yarra Valley, Victoria. Australia
    Posts
    829

    Default

    Hi. Has anyone used the aftermarket rocker box's that are listed on eBay?
    Both listings are described as 1941-1947 but the pictures used on both of these eBay auctions, show the rear rocker box as a 1947 which is a one year part. It has the alloy extension for the rear exhaust rocker.
    Does anyone offer the 41-46 style, and more importantly, do they fit like original?

    http://www.ebay.com/itm/HARLEY-KNUCK...FXGUx7&vxp=mtr

    http://www.ebay.com/itm/Replica-Knuc...JW7IYW&vxp=mtr

    Yep!! You know I'm getting desperate when I'm looking at non original type parts.
    Steve Little
    Upper Yarra Valley. Victoria.
    Australia.
    AMCA member 1950

  5. #25
    Join Date
    Mar 2009
    Posts
    539

    Default

    The seller states "File pictures used. Your parts will look different." For what it's worth.....

    I may have a line on one, I've asked the question, awaiting reply. I'll let you know.
    Last edited by Rooster; 09-09-2017 at 02:07 AM.

  6. #26
    Join Date
    Mar 2009
    Posts
    539

    Default

    Got a reply back from my friend, he only has a '40 rear rocker and a '38.
    Sorry, no help here.

  7. #27
    Join Date
    Apr 2008
    Location
    Upper Yarra Valley, Victoria. Australia
    Posts
    829

    Default

    Thanks Tom.
    I appreciate you taking the time to put the feelers out.
    No more posts today. Spring has sprung, and the grass has woken up and I have to get my old Toro Groundmaster going.
    I've got to fit new deck pulley and belt and even with a mower of this size (60 inch cut) it still takes a few hours to whip around 3 1/4 acres.
    Steve Little
    Upper Yarra Valley. Victoria.
    Australia.
    AMCA member 1950

  8. #28
    Join Date
    Nov 2010
    Posts
    9

    Default

    I have an extra rear rocker box that I believe has a B 6 date plate that I will trade. The threads are good and overall is in good original shape. It does need to be polished. I only state that I believe the date is B 6 is because of a small ding in the 6. Let me Know.
    Last edited by 41craig; 09-11-2017 at 04:30 PM.

  9. #29
    Join Date
    Nov 2010
    Posts
    9

    Default Rear rocker

    Here are some pics of the rocker box. The 16 on the front was my number at the auction. It does have a light scrape on top right.000_0675.JPG000_0674.JPG000_0676.JPG000_0677.JPG000_0679.jpg

  10. #30
    Join Date
    Apr 2008
    Location
    Upper Yarra Valley, Victoria. Australia
    Posts
    829

    Default

    Hi Craig.
    I have sent a message to PM box.
    Thanks mate. I appreciate the help.
    Regards Steve
    Steve Little
    Upper Yarra Valley. Victoria.
    Australia.
    AMCA member 1950

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