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#1 |
Registered User
Join Date: Nov 2009
Location: Edmonton Alberta
Posts: 286
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Welding A Frame... Better Then Before Or Strictly Show?
Folks,
I have been a long time lurker and am dying to come out of the shadows with a truck to work on... but i am having a hard time making up my mind. So I hope you don't mind me posting a more "general" question as opposed to a more project specific vehicle... Hoping this might make my choice a little easier It common practice in here to cut a LWB into a SWB. I want a SWB 3/4 BUT I don't want to loss the ability and strength of the 3/4. IE I still want to be able to haul with it, tow with it, etc In your opinions, as i feel this is the single most experienced forum on this topic, if done by professionals (a full blown welding/frame shop) is a shortened 3/4 ton frame as strong as a factory? Assuming the welds are done properly, its fish plated and EVEN boxed... am I losing any integrity? I do appreciate any and all insight, as a lurker i have come to realize there are many knowledgeable people in here. Keep up the good work guys, and thank you for keeping this forum #1 in my history. Scott |
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#2 |
Grandpa in the rustmobile...
Join Date: Nov 2008
Location: Spokane WA/Viola TN
Posts: 11,422
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Re: Welding A Frame... Better Then Before Or Strictly Show?
What do you wanna haul that you've gotta have a 3/4 ton?
I would guess itd be suffiecient
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John Goose-1968 C10 355,9.32-1CR, Vortec Heads ,262 voodoo, 3.73:1 3OTT (HS ride/beater/farm truck) http://67-72chevytrucks.com/vboard/s...d.php?t=317684 Grams 53-1953 Chevrolet Belair http://67-72chevytrucks.com/vboard/s...=1#post4327784 1969 Chevy C10 Shortbed 4.5/6?" Frame off resto http://67-72chevytrucks.com/vboard/s...d.php?t=548136 1999 Toyota Tacoma 4x4 |
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#3 |
Registered User
Join Date: Nov 2008
Location: Petersville KY
Posts: 673
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Re: Welding A Frame... Better Then Before Or Strictly Show?
A properly welded Z-cut and fish plated frame will be stronger than original, definately still able to tow and work with. It has been pretty common practice in heavy trucks for years.
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Rob 72 C/10 (under reconstruction)(destruction ? LOL) 48 Willys CJ2A 1952 Super "A" Farmall (Grandfather's) |
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#4 |
Registered User
Join Date: Nov 2009
Location: Edmonton Alberta
Posts: 286
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Re: Welding A Frame... Better Then Before Or Strictly Show?
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#5 | |
Registered User
![]() Join Date: Feb 2011
Location: Murrieta, California
Posts: 234
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Re: Welding A Frame... Better Then Before Or Strictly Show?
Quote:
Paul Posted via Mobile Device
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1969 C/20, 307, 4-speed, rusty with manual steering and brakes! |
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#6 |
Registered User
Join Date: Mar 2011
Location: Hartsburg Mo
Posts: 113
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Re: Welding A Frame... Better Then Before Or Strictly Show?
They do it every day on dump trucks so I dont see any issues.
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#7 |
I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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Re: Welding A Frame... Better Then Before Or Strictly Show?
The frame was extended on my '69 C-30 ramp truck many, many years ago and its still holding up fine. I have put more weight on and behind this truck than you could ever put on a pickup. I would not worry about it in the slightest as long as the welder is competent.
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'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! Last edited by 67_C-30; 06-25-2011 at 10:56 PM. |
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#8 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,515
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Re: Welding A Frame... Better Then Before Or Strictly Show?
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I agree with the "no problem if done right" crowd. I would not box it. I think it puts more stress on the frame at both ends of the box plate because it can't flex. Personal opinion: I think this is the best way to do it... http://67-72chevytrucks.com/vboard/s...d.php?t=123624 LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#9 | |
I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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Re: Welding A Frame... Better Then Before Or Strictly Show?
Quote:
__________________
'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! |
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#10 | |
Registered User
Join Date: Nov 2009
Location: Edmonton Alberta
Posts: 286
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Re: Welding A Frame... Better Then Before Or Strictly Show?
Quote:
I want to box cause i'd like to put a cummins in there. In part to deal with the diesel it self, but also get a little more strength out of it... Your opinions?? Thank you for the cutting link as well, thats one of the first threads i ever saw on this forum and the way he rounded the corners to prevent cracking is some thing i remember to this day |
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#11 |
Registered User
Join Date: Apr 2011
Location: Las Vegas, NV
Posts: 264
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Re: Welding A Frame... Better Then Before Or Strictly Show?
I might also offer a word of advise and that is if possible stick weld it rather than wire feed. Wire is plenty strong if done correctly, but when I do mine it will be with 7018 stick for better penitration.
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#12 |
Registered User
![]() Join Date: Oct 2010
Location: Buckeye Arizona
Posts: 470
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Re: Welding A Frame... Better Then Before Or Strictly Show?
If you have a good MIG welder and wire, you don't need to stick weld it.
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