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Go Back   ClassicBroncos.com Forums > 66-77 Ford Bronco > Bronco Tech

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Old 11/11/07, 05:54 PM   #1
ryoungbronco
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Bronco body and frame dimensions

Does anyone know where I can find a picture or the stats on the dimensions for the body and frame?
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Old 11/11/07, 09:32 PM   #2
extramedium9
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I had these saved, hope these help
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File Type: jpg frame spec.jpg (116.1 KB, 769 views)
File Type: jpg bronco dimentions.jpg (31.9 KB, 918 views)

72' frame off restoration...in a little over my head!
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Old 11/12/07, 05:57 AM   #3
ryoungbronco
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Thank you, that's exactly what I was looking for!!
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Old 01/06/11, 10:05 AM   #4
LipschitzWrath
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What are the cross-sectional dimensions of the box rails themselves? I am having a helluva time finding this info. I heard somewhere they are 2x4 - is it really that simple?

Thanks in advance!
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Old 01/06/11, 12:14 PM   #5
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the frame rails themselves are 3x4"
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Old 01/06/11, 05:27 PM   #6
Steve83
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That first diagram has some serious errors: this one is more accurate:



The frame horns (where the bumpers attach) are about 2x4" inside; about 2.25 x 4.25" outside.


Last edited by Steve83; 07/06/11 at 12:07 PM..

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Old 01/06/11, 08:45 PM   #7
bluebronco69
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hope that helps
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File Type: jpg broncospecs.jpg (46.1 KB, 233 views)

Kyle 69, 33 BFG MT, D44 swap 411s with trac lock in rear, custom bumpers, holley TA470, pro comp lights
73 (Wifes) mustang 5.0, C4, J shift, power disc brakes, 33s, 1 in body lift, pink dash!, work in progress
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Old 01/07/11, 06:17 PM   #8
rojo23
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does anyone have a measurement that may reference the drivers side radiator support mount? My mount is pushed back and I need to reposition it, and I am not sure where it needs to be.
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Old 01/07/11, 11:07 PM   #9
Steve83
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You mean the mount on the frame? It's supposed to angle back.

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Old 01/08/11, 03:17 AM   #10
mavereq
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there should be a hole in the top of the framerail. if you run a long straightedge over the center of the passenger bodymount and across that hole then you can line your driver's side bodymount off the straightedge.

that's how i lined mine up but i had the frame stripped down. i also haven't put the body on yet so it might be way off.
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Old 01/08/11, 09:57 AM   #11
HGM
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Quote:
Originally Posted by mavereq View Post
there should be a hole in the top of the framerail. if you run a long straightedge over the center of the passenger bodymount and across that hole then you can line your driver's side bodymount off the straightedge.

that's how i lined mine up but i had the frame stripped down. i also haven't put the body on yet so it might be way off.
Sorry to sidetrack, but how would you straighten any damage to the mount? Mine has been crunched a bit. Debating heat and hammer, seems like the only way...??

Greg
Nope, but I did stay at a Holiday Inn Express last night..
My '73 build
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Old 01/08/11, 11:20 AM   #12
Steve83
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Quote:
Originally Posted by mavereq View Post
there should be a hole in the top of the framerail.
That hole is shown in the diagram I posted.

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Old 01/08/11, 11:39 AM   #13
rojo23
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a frame machine is the best way, but who has one of those in the back yard. I have seen people use a come-along, heat, and a hammer
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Old 02/23/11, 09:02 AM   #14
Bronco Ga
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Quote:
Originally Posted by Steve83 View Post
That first diagram has some serious errors: this one is more accurate:



The frame horns (where the bumpers attach) are about 2x4" inside; about 2.25 x 4.25" outside.

Is there a way to get a bigger version of these diagrams?
They won't enlarge for me.
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Old 02/23/11, 10:02 AM   #15
Steve83
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The original sizes are 2039x939 for the frame, and 2180x686 for the body. Clicking them should open a new tab/window, and clicking them once more should go to the original size images.

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