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Thread: Mount Tank

  1. #1
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    Default Mount Tank

    Just want to hear advice on what you guys would do to mount a tank on this chrome frame with these holes already drilledClick image for larger version. 

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    With the frame being chromed you don't have many choices....... Why not use the existing hole???????

    What kind of mounts does your tank have??????????

    Many thanks for the pic it is very helpful.........

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    Click image for larger version. 

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ID:	99734 and yes I do want to use these existing holes. How bad would welding small bungs destroy the chrome

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    Quote Originally Posted by mowen View Post
    Click image for larger version. 

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ID:	99734 and yes I do want to use these existing holes. How bad would welding small bungs destroy the chrome
    I've never seen it look very good welding around chrome..... Try it but I don't see a problem just bolting it up like it is now.......

    It's been done for years like that...........

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    Meaning drill through the other side of frame and run a bolt straight through??

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    Quote Originally Posted by mowen View Post
    Meaning drill through the other side of frame and run a bolt straight through??
    Yes. That was standard forever before anyone gave a fuck about bungs. It doesn't bother the frame.

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    Quote Originally Posted by mowen View Post
    Meaning drill through the other side of frame and run a bolt straight through??
    Yep, Put a nylock nut or equivalent on it and your done.............

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    Thanks boys I’ll be drilling through later!

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    Damn this thread went quick................. and another happy customer........... LOL

    Isn't it helpful when people ask questions with pics..................

    Hell yes!!!!!!!!!!!!

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    New found problem. Drilling through the frame where the hole is now I’m going to run into this section of frameClick image for larger version. 

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    It doesn't look like a problem....... But can you take a pic a little further back so we can see better what your talking about.....

    You know what it looks like but it's hard for me to tell by that pic.....

    I say just drill through it........... But waiting on the pic to be sure.......

    Thanks

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    Click image for larger version. 

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    I can see it now it's the front mount...... That will be a little tougher...........

    What about some kind of insert?????? Not welded in............

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    What about some kind of insert?????? Not welded in............
    There's a great variety of "blind threaded inserts" whose only purpose is to be a mechanically installed threaded bung. I'm so used to convenient welding I didn't think of it but I'm glad you did. Using nut inserts has lots of potential in chobbing. They're all over the automotive world. I need to get a variety and play with them.

    For chobbering, search for "heavy duty blind threaded inserts" etc because most expanding inserts are lightweight cheap shit which interferes with useful search results.

    Example installer tool for the non-wealthy. Study the inserts which interest you then make or buy accordingly. The official factory tools for mass production are not cheap:

    https://www.ebay.com/itm/M10-Heavy-D....c100005.m1851

    I'd practice with any tool by testing on scrap. Don't even think of making a "first try" on your workpiece because drilling out inserts is tedious (worse if they spin). I've done a few (cheap ones, not on a motorcycle) over the years but install has to be just right so they don't spin.

    Remember to measure your material thickness before choosing an insert!
    Last edited by farmall; 4 Weeks Ago at 10:38 PM.

  15. #15

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    I personally don't think a nutsert will work very well here, as said before they can be hard to get to work even on flat metal.
    You might take a look at Home Depot or Lowes for threaded inserts from Hilti. The ones I'm talking about use two cable tie looking things with a wing nut thing on one end and a small plate which ends up on the outside through which the cable ties pull up and secure the nut close to the back side. They come in a bag about 8" long or so and are usually found on an endcap or with the other Hilti stuff.
    The last bag of them I used to install a t-top on a friends 25' Mako center console. Just drill a hole big enough, drop the end through, pull it up with the two cable ties and the plate on the outside, and cut the excess cable tie. The nut portion is real steel, not stamped, and has real machine threads.
    Even if you have to dremel the hole a little bigger I'm pretty sure it would all hide nicely under the tank flange.

  16. #16

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    Another option is to weld a nut to a small piece of bar stock, like 1/8" x 3/4", 2" long.
    Drill another hole about an inch back from the first. Drill a bigger hole in one end of the plate and tighten a bolt and nut to it. Weld the nut and remove the bolt. Now run a fish wire through the chrome hole to the end of the backbone and secure it through the welded nut. When you pull the nut into position under the chrome hole the bar stock should be visible in the new hole you drilled. Plug weld it in that hole and remove your pull-wire.
    Whatever you do, remember that tank might be about 25 pounds full, and the tank has good leverage here, and rigid Harley's are rough on hardware.

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    Quote Originally Posted by 70fatster View Post
    I personally don't think a nutsert will work very well here, as said before they can be hard to get to work even on flat metal.

    It really depends on the type you choose.......

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    How about this one- I am hoping to minimize removal of the casting.

    Should I just add "wings" to the side of the tab and pickup the horizontal bolt?
    Attached Thumbnails Attached Thumbnails Pan tank1.jpg   pan tank2.jpg   Panmockup1.jpg  

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    Quote Originally Posted by Strangler View Post
    Should I just add "wings" to the side of the tab and pickup the horizontal bolt?
    If the frame can take it??????? There is a over lap of the frame castings there so there might not be enough room..............

    But that is a thought..........
    Last edited by Tattooo; 4 Weeks Ago at 8:16 AM.

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