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  1. #21
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    Check this mod out .....

    Click image for larger version. 

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    Ya don't see that done very often ...

  2. #22
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    Quote Originally Posted by Dragstews View Post
    Check this mod out .....

    Click image for larger version. 

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ID:	90197

    Ya don't see that done very often ...
    You sure don't see that very often...... Were they running a belt I wonder.....

  3. #23
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    Quote Originally Posted by Tattooo View Post
    Were they running a belt I wonder.....
    .../// https://youtu.be/mhgWKUz0Q1U \\\...

  4. #24
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    My, my, my.... !!!

    What do we have here ... ????

    Click image for larger version. 

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    Going to take someone with an eagle eye and be in the know to spot what's going on in this photo...

    Shouldn't be a problem for the "Old Timers" to see ....

    Let's see who will be the first to have a clue to unlocking the story on these mystery flywheels ....

    Moses, Moses, Moses ......
    __________________________________________________ _

    Take a shot at it "Tattoo" being your a .....



    Hahaha .....
    __________________________________________________ _

    Soup's On .....

    Click image for larger version. 

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    A good clean up was in order....
    Last edited by Dragstews; 01-12-2019 at 11:24 AM.

  5. #25

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    Quick glance old 80 inch flathead (well 74 inch flathead but they were all 80 inchers right, wink wink) wheels because of the locktab keeper hole location?

  6. #26
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    Quote Originally Posted by flatman View Post
    Quick glance old 80 inch flathead (well 74 inch flathead but they were all 80 inchers right, wink wink) wheels because of the locktab keeper hole location?
    You are a smart man.....

  7. #27
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    Quote Originally Posted by flatman View Post
    Quick glance old 80 inch flathead (well 74 inch flathead but they were all 80 inchers right, wink wink) wheels because of the locktab keeper hole location?
    Dang, yo're good ....

    Two right side wheels at that... casting #s 150 372

    Ya known, I don't have the heart to break down this crank... The only piece of it that was going to be reused was the pinion shaft....

    Shoot I'll get all new shafts for this build, put this crank and jugs/pistons on the market as a Poor Boys stroker kit ...

    After having a chat with the owner, we decided to get a set of STD heads and a new set of S&S Shovel 3-1/2" bore jugs...

    His old heads will also be listed for sale....
    Last edited by Dragstews; 01-12-2019 at 1:29 PM.

  8. #28
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    flatman:
    "Quick glance old 80 inch flathead (well 74 inch flathead but they were all 80 inchers right, wink wink) wheels because of the locktab keeper hole location?"
    Yup, locktab keeper hole location is "the clincher", according to Easyrider Tech Tips & Tricks, Volume #1 (page 5);
    the 80 flywheels use a smaller crankpin than the 74 (61 used the same crankpin as the 80),
    80 flywheels are smaller at 8-1/4" diameter, while 74 are just under 8-1/2"; the 74 wheels are larger in diameter despite having a shorter stroke,
    and "the clincher", 61 and 74 have the crankpin hold down nut-keeper screw to the outside edge of the flywheels, while the 80 has the nut-tab hold down screw to the side of the crankpin.

    downloads of all 4 volumes of the Easyrider Tech Tips & Tricks available here:
    http://choppercreeps.blogspot.com/p/blog-page.html

  9. #29
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    Now we can give it a hard look-see ...

    Click image for larger version. 

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    .../// https://youtu.be/xTIP_FOdq24 \\\...
    Last edited by Dragstews; 01-12-2019 at 2:52 PM.

  10. #30
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    Quote Originally Posted by Dragstews View Post
    Check this mod out .....

    Click image for larger version. 

Name:	IMG_2157.jpg 
Views:	44 
Size:	291.3 KB 
ID:	90197

    Ya don't see that done very often ...
    And what was the mod done here?

  11. #31
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    Anybody care to field this question, feel free to do so....
    I done maybe 20 of these over the years....
    ___________________________________________

    About the flywheels that came out of this motor...

    I have listed them as a package deal in the CLASSIFIEDS
    Last edited by Dragstews; 01-12-2019 at 3:45 PM.

  12. #32
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    Gonna guess...you mention it may have had a primary belt, so that would mean the crankcase breather / mist tube would have gone into the primary to provide some chain lubrication; with the change to belt, that breather port was shut off and a new one was installed at that rear case location - not sure what, if anything, was there before though

    aha...
    AKA, 'PukeTube'
    Thread: 58 panhead "puke tube" alteration
    http://www.chopcult.com/forum/showthread.php?t=51055
    Last edited by TriNortchopz; 01-12-2019 at 5:03 PM. Reason: CC link

  13. #33
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    Quote Originally Posted by TriNortchopz View Post
    Not sure what, if anything, was there before though
    Just a welsh plug ....

    But that sums it up pretty good.... Thanks Tri ....
    (Extra piece of raisin pie in your pay check)
    Last edited by Dragstews; 01-12-2019 at 6:03 PM. Reason: Raisin Pie

  14. #34
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    About the flywheels that came out of this motor...
    Was readin' that with a change to the larger crankpin on the 80" wheels, you can offset the new bore by 1/8" to gain an extra 1/4" stoke, for a 86" engine...any way to see that without disassembly?

  15. #35
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    What Tri is saying above is:

    The U's has a small crank pin... In 41 the birth of the FL models came on line sporting a much larger crank-pin..
    In the hands of a good machinist, the tapers on the U's wheels can be enlarged to the FL's pin dimensions, by doing a off-set going to the FL pin, a gain in stroke can be a accomplish....

  16. #36
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    Ya, that's it...and I thought about it, easy to check is simply by measuring it; I was thinking at first to measure the end of the crankpin, but you would need to know those dimensions - instead, could just measure the stroke before pulling the cylinders,or measure the crankpin throw. By knowing the specs of the stock stroke,you would know if it had been stroked that extra 1/8".
    '37 - '48U, 74" and 80" stock stroke is 4-9/32" (4.28125"), with flywheels measuring 8.28125" diameter. The larger tapered crankpin is 1-1/4".

    82" flywheels (4-3/8" stroke,with 3-7/16" bore = 1343.7cc ) can also be built; this is the limit of the 1350cc Bonneville land speed record class.

  17. #37

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    Because the wheels are a smaller OD I assume the scapers were built up?

  18. #38
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    I think I would have just pulled the 6 screws out and lifted the top half of the crate off......

  19. #39
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    Seems that the super rare Hot-Rod (Of the day) U crank has found a new home in Canada, will be spinning in a 47 Knuck motor...

    Now that motor will have a bundle of antiquity, historical and vintage parts in it...
    Hahaha ... Well, the crank is getting back to the era that it came from being 47 was next to the last year the U's was made...

  20. #40
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    Quote Originally Posted by JeremyL View Post
    I think I would have just pulled the 6 screws out and lifted the top half of the crate off......
    Being they was all the way down at floor level, I didn't see em until I got to the last panel to rip off...
    Then it fu*ken dawn on me ... WTF ..Lol ... Didn't come with no instructions (For Fat People), ya know !!

    But I screwed it back together ... Good as new again ...

    .../// https://youtu.be/2A-I5J19GKI \\\...

    I will be labeling it " DRACULAS Secret Box "
    Last edited by Dragstews; 01-13-2019 at 12:30 PM.

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