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#1 |
Senior Member
![]() Join Date: Aug 2006
Location: Atascadero, CA
Posts: 1,152
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Using C-channel for the back half?
I have decided to not build a complete frame from scratch and just modify the stock frame. I am going to rebuild the back half similiar to the pic i borrowed from FNLOW69. Hope he doesn't mind. I was wanting to build it out of 2x4 C-channel. The reason i want to use C-channel instead of tube steel is because i am going to be puting the gas tank behind the rear axel and would like to have all the fuel lines and brake lines protected inside the channel. They have 3/16 and 1/4" C-channel. I was thinking about using the 3/16 and then puting a large piece of 3/16 steel on the inside and outside for extra stength (gussets). What do you all think about this? The factory frame is made out o 1/8 C-channel so i don't see how this will be weak or bad. Please give me your opinion. Thanks
Here is a pic on how i am going to do the rear end. |
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#2 |
Account Suspended
Join Date: Jun 2000
Location: over yonder
Posts: 14,270
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Re: Using C-channel for the back half?
use tubing and Kugel Klamps for your lines ... much stronger and looks much more gooder.
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#3 |
Registered User
Join Date: Dec 2004
Location: Northern AZ
Posts: 7,271
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Re: Using C-channel for the back half?
It never ceases to amaze me how many ways to build/engineer these trucks! That is peel the reflectors of the road low, wow!!
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#4 |
Senior Member
![]() Join Date: Aug 2006
Location: Atascadero, CA
Posts: 1,152
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Re: Using C-channel for the back half?
What about when people Z the frame they cut the stock C-channel and weld it back together and people think that is okay but when it comes to the rear it has to be done in tube steel? I think if it is done right you will be plenty strong enough. The reason i am so for the C-channel is because i don't like the way the frame looks when you go from C-channel to tube steel. I know that tube steel is stronger but is it overkill? Thanks for thoughing out your comments. Josh
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#5 |
Registered User
Join Date: Sep 2003
Location: New Salem, ND
Posts: 1,558
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Re: Using C-channel for the back half?
How do you get the box to fit when the frame is modified like that?
__________________
07 Chevy classic LBZ Duramax (a few mods) '67 Chevy 1/2 ton 2wd (in pieces) '69 Chevy 1/2 ton 2wd (on hold) '71 GMC 3/4 ton 4x4 ‘71 GMC 1/2 ton 2wd suburban |
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#6 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Using C-channel for the back half?
[QUOTE=Shane;1813635]use tubing and Kugel Klamps for your lines ... much stronger and looks much more gooder.
![]() tubing is by far the better choice// you can also cut access holes and run the tubing inside the tube for an almost completely hidden effect// but you could always use the c-channel and if it fails then you can use tubing the second time around if you survive
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#7 |
Registered User
Join Date: Mar 2003
Location: kansas
Posts: 1,071
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Re: Using C-channel for the back half?
i dont know about you but i dont like to build things "strong enough" i like it to be fail proof. i'd go with the 2x4 rectangle tubing.
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'67 c10 350/th350 |
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#8 | |
Account Suspended
Join Date: Jun 2000
Location: over yonder
Posts: 14,270
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Re: Using C-channel for the back half?
Quote:
Do whatever ya want, but there is a reason why you can't purchase a back-half made from "c" channel from any chassis company. Tubing is better, stronger, and the smartest way to mod a frame. Last edited by Shane; 09-26-2006 at 09:47 PM. |
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#9 | |
Account Suspended
Join Date: Jun 2000
Location: over yonder
Posts: 14,270
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Re: Using C-channel for the back half?
Quote:
![]() Last edited by Shane; 09-26-2006 at 09:48 PM. |
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#10 | ||
Happy to be here
![]() Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Re: Using C-channel for the back half?
Quote:
Yes you can use C-channel but it will look bulky and weigh much more than rectangular tubing. As Shane mentioned take a look at any "professional" built chassis and you will see rectangular or round tubing. They do this for a reason. Quote:
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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#11 |
Senior Member
![]() Join Date: Aug 2006
Location: Atascadero, CA
Posts: 1,152
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Re: Using C-channel for the back half?
Well you guys talked me out of it. I will use tube steel. Thanks for the comments. I really appreciate it!!!!!!!
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#12 |
Registered User
Join Date: May 2005
Location: Beaverton, OR
Posts: 3,728
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Re: Using C-channel for the back half?
If I had the room and the tools (as I hope to some day) I would love to build a complete custom frame from 4130 round tubing. Light, strong, and sweet!
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