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F41 and aftermarket bracing diagrams (pics added)

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shotgun
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F41 and aftermarket bracing diagrams (pics added)

Post by shotgun » Tue Jan 20, 2009 2:15 pm

I checked the one on this site but it is small.

When I resize it, it is too blurry.

Looking for something that will fill a 8 1/2 x 11 sheet.
Last edited by shotgun on Wed Jan 21, 2009 4:38 pm, edited 1 time in total.
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79Landau
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Re: Anyone got a good gbody frame diagram

Post by 79Landau » Tue Jan 20, 2009 6:17 pm

try this

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if not..shoot me your email and I'll sent it to ya
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Re: Anyone got a good gbody frame diagram

Post by shotgun » Wed Jan 21, 2009 1:50 pm

Thanks, that worked. Here is what I wanted it for.

Any chance you have a 3/4 line view of the body. I would like to do one with the body braces also?

As you can tell from the pics below, I found a nice line drawing but would really like a 3/4 if anyone has one

Thanks again

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Last edited by shotgun on Wed Jan 21, 2009 4:48 pm, edited 1 time in total.
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Re: Anyone got a good gbody frame diagram

Post by StreetBu » Wed Jan 21, 2009 2:50 pm

Could a mod please make these diagrams a sticky!
'78 bu, 350/380hp, M-21. Now with a GN 3.42 rear and Detroit Tru-Trac, 18x9.5" wheels on all four corners with 275/35/18's, grey bucket seat Monte interior

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Re: Anyone got a good gbody frame diagram

Post by shotgun » Wed Jan 21, 2009 4:24 pm

Don't sticky it yet, not done.

Here are the body braces.


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Last edited by shotgun on Wed Jan 21, 2009 4:39 pm, edited 1 time in total.
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Re: Anyone got a good gbody frame diagram

Post by shotgun » Wed Jan 21, 2009 4:36 pm

This was kinda tricky. I think I got both the frame and the body sized right.

I forgot to add a legend for the Body braces but I think everyone know what they are by now.

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Re: F41 and aftermarket bracing diagrams (pics added)

Post by Doober » Wed Jan 21, 2009 5:08 pm

This is quite cool :D Was there an actual shop manual that showed the layout of the braces? I have a '78 manual so I don't know for sure.
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Re: F41 and aftermarket bracing diagrams (pics added)

Post by onefastermonte85 » Wed Jan 21, 2009 5:13 pm

what exactly do you do to push the body up from the frame to get the body mounts on??
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shotgun
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Re: F41 and aftermarket bracing diagrams (pics added)

Post by shotgun » Thu Jan 22, 2009 9:14 am

I use wood. One long 4x4 and a stack 6" 2x4s.

It is best to use 2 floor jacks.

I run the 4x4 next to the frame and use 2x4 as spacers to hit the floor bracing. You are trying to spread the load over a large area and lift evenly.

The floor will crush if you just stick a floor jack under it and go.

Just take your time and apply a little common sense and it is not a bad job, atleast until a bolt snaps. :x
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Re: F41 and aftermarket bracing diagrams (pics added)

Post by Doober » Thu Jan 22, 2009 1:19 pm

shotgun wrote:it is not a bad job, atleast until a bolt snaps. :x
Hey, it was that one that was stripped already because someone else tried to remove it previously, remember? ;) That's a main concern of mine with the '78 actually, I don't know how I'm going to replace all the body mount "nuts" that the bolts thread into :?
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Re: F41 and aftermarket bracing diagrams (pics added)

Post by shotgun » Thu Jan 22, 2009 4:33 pm

Try working on vintage muscle cars!

You will be cutting holes from the inside with a cutting wheel.

Cut a 4x4 square on 3 sides, peel the floor/trunk back.

Get whats left of the bolt/cage out.

Make trapazoid washer, drill a oversize hole in the middle and weld a nut on the other side.

Install the bushings, run the bolt up into the "new" washer and tighten. Just make sure the new part you made will jam in place.

Afte it is all done, bend the flap back down and weld shut.

Fun, fun, fun!
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Re: F41 and aftermarket bracing diagrams (pics added)

Post by Doober » Thu Jan 22, 2009 10:11 pm

You're talking about on the G-Bodies? Thanks for the info, I've had yet to look into the matter in-depth, you've just saved me some work :D How big of a hole do you think I'd need?
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Re: F41 and aftermarket bracing diagrams (pics added)

Post by racecar77 » Fri Jan 23, 2009 8:17 am

Shotgun, When I did the mounts on my 70 El Camino I had two of them break the cage nut. I used a hole saw to gain access and after I was done I just snapped a round plastic plug in the hole. Worked great and looked good even though you cant see it anyway. Lee
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Re: F41 and aftermarket bracing diagrams (pics added)

Post by Toner283 » Fri Jan 23, 2009 11:47 am

Doober wrote:You're talking about on the G-Bodies? Thanks for the info, I've had yet to look into the matter in-depth, you've just saved me some work :D How big of a hole do you think I'd need?
Large enough to get the tip of your welder into. Like shotgun said, about 4X4 inches.
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Re: F41 and aftermarket bracing diagrams (pics added)

Post by Doober » Fri Jan 23, 2009 6:32 pm

racecar77 wrote:Shotgun, When I did the mounts on my 70 El Camino I had two of them break the cage nut. I used a hole saw to gain access and after I was done I just snapped a round plastic plug in the hole. Worked great and looked good even though you cant see it anyway. Lee
That's what I was thinking about with mine, a major reason I was hesitant to undertaking the body mounts until I knew exactly what I was getting into. I may do something like that with the 'Bu before I start driving it for the summer, just an added measure of safety since I don't know what shape the bolts are currently in.
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