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Author Topic: Frame clearancing  (Read 798 times)

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Offline wannabridin

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Frame clearancing
« on: June 06, 2011, 07:43:46 PM »
So I have a custom oil tank going in between my back frame rails under my seat.  I have incorporated an oil sight on the left side, but the bottom bung is slightly "overlapped" by the frame.  This means I can't get a 90 degree NPT fitting on there without hitting the frame. 

My question is does anyone have a "low profile" way of attaching ansight tube, like a flat 90 degree fitting, or maybe a short barbed fitting? 

Would clearancing the frame be an option?  If so, what is required to maintain the integrity of the original frame??  Thanks a bunch guys!
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1976 CB750K, currently under construction:
http://forums.sohc4.net/index.php?topic=64468.0

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Offline tlbranth

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Re: Frame clearancing
« Reply #1 on: June 06, 2011, 08:57:28 PM »
I would relocate the fpt hole on the tank before I'd risk welding the frame.
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1970 CB750 K0
1975 GL1000
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Offline wannabridin

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Re: Frame clearancing
« Reply #2 on: June 06, 2011, 10:10:18 PM »
I don't know if that's a real option.  I had the tank made, And I don't know how much work that would require... 

Any fitting options?
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1976 CB750K, currently under construction:
http://forums.sohc4.net/index.php?topic=64468.0

-And if you don't do it this year, you'll be one year older when you do...

Offline wannabridin

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Re: Frame clearancing
« Reply #3 on: June 06, 2011, 10:16:06 PM »
Also, I was thinking of a barbed fitting and if it were cut down and the a hose could be clamped down.  I might be able to get it to fit, hopefully!!
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1976 CB750K, currently under construction:
http://forums.sohc4.net/index.php?topic=64468.0

-And if you don't do it this year, you'll be one year older when you do...

Offline Silverback

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Re: Frame clearancing
« Reply #4 on: June 07, 2011, 08:22:49 AM »
Could you post a picture? Although, I can imagine what you are describing a picture would help.
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"It's hard to define soul. You get it in art. You get it in music, and occasionally you get it in machinery."
78 CB750F racer
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75 CB750K Baby Blue Sold (She was a great bike!)
71 CB750K (rusty rod)
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Offline tlbranth

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Re: Frame clearancing
« Reply #5 on: June 07, 2011, 10:27:36 AM »
What size is the pipe thread? You can buy pretty compact 90 degree brass fittings.
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Don't own a Vanagon
Don't work at Boeing
Life is good

1970 CB750 K0
1975 GL1000
1999 GL1500
2002 VT750-CDA ACE - Momma's bike
Terry
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