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05-05-2014, 01:30 PM
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#1 |
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Registered User
 
Join Date: Apr 2007
Location: Santa Rosa, Ca
Posts: 586
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what gauge box tube to use for my custom rear frame project
I'm looking for suggestions on 2×4 box tube thickness for my custom rear frame project. I could go with 1/8 or 3/16. I would like to go 1/8th because I can get 10 feet of the stuff for $40. 1/8th seams real close to the frame thickness. The stock frame measures 1.40 vs the 1/8th @ 1.20. my thoughts are I will be fine using the 1/8th boxtube since it is boxed. Thoughts on this?
the frame I am working on is in my build thread in my signature. Thanks
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My build thread http://67-72chevytrucks.com/vboard/s...d.php?t=456220 Best 1/4 mile time 12.1 @ 111 w/traction issues 1969 GMC SWB 1964 chevy II Nova ht |
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05-05-2014, 08:29 PM
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#2 |
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Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,948
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Re: what gauge box tube to use for my custom rear frame project
When it comes to important things like structure I tend to be an overkill kind of guy. With that said most of the aftermarket companies who sell 4 link and rear frame kits use .120 tubing. The boxed tubing is a ton stronger than the stock frame. Most kits are 2x3 tubing so with you using 2x4@ .120 you will be completely fine.
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Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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05-05-2014, 11:36 PM
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#3 | |
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Registered User
Join Date: Apr 2007
Location: Santa Rosa, Ca
Posts: 586
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Re: what gauge box tube to use for my custom rear frame project
Thanks! Thats kinda what I was thinking. Just second guessing myself I guess.
Quote:
__________________
My build thread http://67-72chevytrucks.com/vboard/s...d.php?t=456220 Best 1/4 mile time 12.1 @ 111 w/traction issues 1969 GMC SWB 1964 chevy II Nova ht |
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05-11-2014, 12:41 PM
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#4 |
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Registered User
Join Date: Nov 2007
Location: Bay Area, Ca
Posts: 2,841
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Re: what gauge box tube to use for my custom rear frame project
2x3 .120 wall is plenty to support the bed.
Well you be doing a cage? If so the rear bars attaching to the frame would allow you to go to .083 wall.
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------Motor---------------Bottle 60'---1.53---------------1.41 1/8---6.58 @ 105.92----5.87 @ 118.41 1/4---10.38 @ 126.97----9.24 @ 142.49 |
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06-26-2014, 09:47 AM
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#5 | |
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Registered User
Join Date: Apr 2007
Location: Santa Rosa, Ca
Posts: 586
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Re: what gauge box tube to use for my custom rear frame project
Yes I will be using a cage. Wow .083 wall! Thanks for the info good stuff.
Quote:
__________________
My build thread http://67-72chevytrucks.com/vboard/s...d.php?t=456220 Best 1/4 mile time 12.1 @ 111 w/traction issues 1969 GMC SWB 1964 chevy II Nova ht |
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