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  1. #1
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    Default First build thread... '47 Knucklehead basket case

    Well here goes!!! I just got home today with the rest of the parts that have been collecting dust in my dad's barn since 1983. There are definitely some things missing, but I kind of expected that. Over the winter I'll be working on trying to bring my dad's baby back to life. Here's to you dad!
    Attached Thumbnails Attached Thumbnails 20190929_183930.jpg   20190719_180838.jpg   20190929_223216.jpg  

  2. #2
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    Awesome man awesome......... What are your plans????????? Don't fuck it up..............

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    Quote Originally Posted by Tattooo View Post
    Awesome man awesome......... What are your plans????????? Don't fuck it up..............
    Don't fuck it up, yeah, that pretty much sums it up, haha!

    To start with I'm planning to try to bring it back to how my dad had it when I was a kid. Keeping the 21 on the front and the bobbed rear fender. He talked about someday going more original with it, so I might try to do that eventually, but not right now.

    I don't have a garage or workshop right now, so working in my livingroom.

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    Cool. Lucky bastard

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    Sounds like a great project.

    This may be of interest; just gotta get past the preachin':

    Knucklehead Tech.
    Knucklehead Theology
    http://knuckleheadtheology.blogspot....klehead%20Tech

    and this:


    HarleyTechTalk
    Technical Forums
    Knuck/Flat Head

    https://harleytechtalk.com/htt/index...2oi5&board=7.0

    Lots of fun ahead:
    Click image for larger version. 

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  6. #6
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    Are those hardwood floors .. ??

  7. #7
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    Thats awesome. Any old pics of it together?

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    Is that TV 4K?

  9. #9
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    Quote Originally Posted by Dragstews View Post
    Are those hardwood floors .. ??
    Kinda, They look like the snap together flooring............

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    Quote Originally Posted by Tattooo View Post
    Kinda, They look like the snap together flooring............
    Bingo. Laminate. And yes, 4k baby. ��

  11. #11
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    Quote Originally Posted by Bringtheruckus View Post
    Thats awesome. Any old pics of it together?
    Unfortunately I don't have any old pics. I remember seeing one of my great grandmother on it many years ago, but no idea where it is now.

  12. #12
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    Compression test last night showed less than 30 lbs compression in both cylinders, so working on pulling the heads. I'm hoping it's just valves needing to be cleaned up....

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    Speedometer shipped out yesterday to Stan at Vintage Rust for refurb.
    He said turnaround time is approx 6 months right now, so hopefully I'll be ready for it by the time it's done!

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    Quote Originally Posted by JakeF View Post
    Speedometer shipped out yesterday to Stan at Vintage Rust for refurb.
    He said turnaround time is approx 6 months right now, so hopefully I'll be ready for it by the time it's done!
    How bad was it did it work at all??????????? Unless it was terrible I wouldn't touch it....... Do you have any pics?????

  15. #15
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    It was in really rough shape. I hooked the cable up to it and couldn't get it to turn at all. Trip odometer reset wouldn't turn either. Worth the price to me to have it gone through!Click image for larger version. 

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  16. #16
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    All the wiring was complete junk, with insulation cracking and falling off and dumbass crimp on connectors everywhere.

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    Quote Originally Posted by JakeF View Post
    It was in really rough shape. I hooked the cable up to it and couldn't get it to turn at all. Trip odometer reset wouldn't turn either. Worth the price to me to have it gone through!Click image for larger version. 

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    Do not repaint the face or the needle just clean it........ Just redo the odometer and numbers...........

  18. #18
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    Pulled the heads and jugs last night. Cylinder walls look great to me, pistons I think will be fine with some clean-up,,, just cruddy with carbon on top.

    Looks like it's been bored out a bit. I'm measuring 3.4260 and my manual says stock bore is 3 5/16" (3.3125)... seems an odd measurement. I would have expected an even .10 or .20 over, but this is .1135 over stock if my measurement is accurate. The pistons themselves measure 3.4110".

    I'm debating about trying to do the heads myself or bringing them to a local shop... I haven't done valves since I rebuilt a Ford flathead V8 when I was 14, and that was almost 30 years ago.

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    Last edited by JakeF; 10-03-2019 at 6:03 AM.

  19. #19
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    You can't check the cylinder at the top. Well you can but it won't be accurate......

    But the rest of it looks nice for it's age.

    If it was me I would clean everything up, Inspect then lap the valves if they look ok. Clean the cylinder walls with a dingle berry hone. Install new rings and put it back together.........

    But I'm cheap and I've done it many times on cars and bikes....... I've NEVER had any problems.....


    How does the bottom end feel????????
    Last edited by Tattooo; 10-03-2019 at 6:37 AM.

  20. #20
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    OK. I'll measure the bore again tonight at the bottom end of the jug. Just want to make sure I order the right rings!! I have a stone cylinder hone, but not a dingleberry hone. Is there a benefit to using a dingleberry hone instead?

    I haven't looked very closely at the bottom end yet, but rods felt tight and flywheel spins smoothly. Anything in particular I should look for? Hoping I don't need to split the case apart, but I do have a new gasket for that in the event that is necessary.

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