Michel's 72 coupe rebuild

Thank you very much guys.

Phil the inset bends will cover this from the inside.

here is the mock up of it
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If you look at the way I did the inset on the other side, I'll make the sides longer so the welds will be reinforced.
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Nice work as usual. I keep thinking though, maybe it would have been a good idea to weld in some reinforcement bracing before cutting apart such important structural junctions?

I know Phil and I remember that we talked about that.
I think Stinger brought that up too when I was considering taking the birdcage out.

The reason why I'm not too concerned is that before I took it apart I took the measurments.
I also have measurments and spotwelds location from the GM assembly manual.

I noticed that on one side of the pillar, the hinges holes were 1/8 higher than the other side so theres seems to be a lot of tolerances, and the hinges can move 1/2 inc from one side to the other. Thats why they use shims.

When I drilled holes to break the spotwelds, it left marks so I could put it back exactly in the same place. So that didnt worry me too much
the rest was a matter of putting the pillar 90 deg with the door sill and make sure the hinges holes on both side were at the same hight.
 
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Hi,

Very nice work you are performing on the bird cage:thumbs::thumbs:

The cage did not look too bad in the beginning of your thread but as always, you only see 25% of the rust. The rest is hidden...

Keep the pictures coming, interesting to follow your work!

/Daniel


AMEN!!!:beer:
 
I guess I will have to be happy in ignorance, because I not tearing my car down to see the rust....

:crutches::goodnight:
 
Well yesterday I did a bit of work on the cage.

Made the inset

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welded it together
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Check for fit
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Then made the cover
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then welded the cover in place
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I didnt have time to finish, got to work at noon yesterday and just got home. pretty long day and I'm bushed


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compared to what I started with...
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I'll admit that this part (the lower front pillar) was scaring me a bit.
but I'm real happy how it turned out.
I still got to drill holes for the hinges and make the little support in front of the pillar.
and of course the holes for the body mounts bolts.
 
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Again, very nice work:1st:

When I´m working on sheet metal I normally coat all surfaces difficult to reach after welding with a Zinc spray befor I weld the parts together. It gives good rust protection and ensures that rust will stay out a little longer.
However, it is a must to remove the paint where a weld is to be put, otherwise it is almost impossible to weld the parts...
Normally paint and rust inhibiting fluid will not reach all areas.
Just a tip from me with good intention!

/Daniel
 
Again, very nice work:1st:

When I´m working on sheet metal I normally coat all surfaces difficult to reach after welding with a Zinc spray befor I weld the parts together. It gives good rust protection and ensures that rust will stay out a little longer.
However, it is a must to remove the paint where a weld is to be put, otherwise it is almost impossible to weld the parts...
Normally paint and rust inhibiting fluid will not reach all areas.
Just a tip from me with good intention!

/Daniel

Youre right Daniel, I did not think about that at first.

The piece of steel I'm using is galvanized, at first I took off the coating off, because of the gasses released from welding galvanized stuff.

But after I left it there, you can see in the passenger's side pics that the coating is still on the steel.

I'll try to shoot some of the zink chromate primer or something similar where ever I can.

I always take ANY experiences from others.
thanks for the heads up,
 
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Nice Work! Where did you learn your metal working/welding skills?

What are going to coat the cage with before you install it?
 
Nice Work! Where did you learn your metal working/welding skills?

What are going to coat the cage with before you install it?

No skills in welding, I first borrowed a welder (110v) and played with it, scrutinized over and over the welding sites. (weldweb, lincoln, etc.)
then I bought a 220v welder, this is the very first project I tackled with the new welder.

http://www.vettemod.com/forum/showthread.php?t=6090

My son is a welder and looked a lot at his books etc.

Metal working?? same thing, I just love rebuild threads, look at how they do things etc.
Troy Trepanier, Jeff Lilly, Roger at Ironworks etc. Now THATS major skills!

I do learn more by doing it tho.
If I need a particular part, like air bags support for a Mustang, I'll look at what metal I have in the garage.

I'll look at a metal shelves and if theres a bend I need in it, I'll cut it put it together.
Thats what I did with a support for air bag tank in FastPhil's Cobra.
Or for my part of channel that was rusted.


For the parts I used for the pillar support???

This was the back of metal box, Somekind of a industrial fridge I think, it was a little over 16 gauge thickness and a bit thicker than the metal used by GM for the cage. It was also galvanized,

I just cut some carboard, cut the steel and bend it with the vise and hammer,
Need a radius? I'll take a 5 eights threaded bar and stick it into the vise and bend the metal over the bar.
no big deal. trust me LOL

The best part of all this????

Total cost of material used? a big fat zero!
Just a few cutting and abrasive disks.

And the cage will be rebuilded to new.. or better than it was anyway.

now for the coating? still debating, powder coat, paint, galvanized..... I dont know yet.
 
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Here is some (ok, maybe a lot) more of Michel's handiwork. These pics are from the air suspension install we did on my 2003 Mustang Cobra. They're actually sort of in reverse order, so it may make more sense if you look at the pics starting from the bottom. If you're interested in seeing the build thread, you can check it out here:
2003 Mustang Cobra convertible getting Accuair e-level setup!

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I didnt have much time to work on the car but since theres no work today I played a bit in the garage.

I started on the driver side lower pillar.
I didnt take too many pics since it's pretty much the same as the other side.

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And part of the crap I took out on this side.

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not finished but enough for today, still have to finish the welds and fix the rocker.

Also I have to make insets for the rear of the birdcage body mounts to reinforce everything.

Then, it's going to be the lower windshield post area to fix,
all minor stuff compared to the front and back lower pillars, lol
Shouldnt be so hard to fix.
 
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Heres another rust killing rampage on the birdcage.
Last night I finished the lower pillars of the cage.
Made the little support
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then cleaned up all the welds and trimmed the exess all over soooo I can call the lower pillars of the birdcage DONE!


Today I tackled the lower windshield post on the driver side.
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cut the rusted part out and cleaned up what I could the inside.

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Next, I went to my cut carboard and cut steel routine
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and came up with this
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Now this is where it got a bit tricky, this part has a convex or concave in it depending witch side you look at it.

So I decided to mark and start bending the lip first.
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getting there slowly
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Then I took a piece of 1 eight thick rubber mat and hit the part with a hammer, this way I was able to get the concave in the part.
I dont know how to explain it (language barrier again lol ) but youll get it with pics.
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Then I trimmed it until it fitted good.

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Next, I'll fire up the welder and tack it into place and weld it.
 
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bang up job, very nice. Love the metal forming tutorial here, should be a good help to a lot of folks. Excellent how you show how to get a lot done without expensive forming tools.
 
Thank you Marck, sometimes a little imagination and a few basic tools goes a long way LOL
I bet that it would be much easyer with proper tools but got no choice.


Next I welded it up

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Nice job, as always.:thumbs:
Don't forget to reproduce the rivet holes a the very same place before you scrap the rusted part, it will be critical when putting the front clip back.
 
OK last night I was planning what I was going to do today, I noticed something that bothered me a bit.

The piece I had just made didnt look right.

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The part I highlited was supposed to have a radius.
I was affraid the straight part was going to interfere with the windshield.

I compared it with the rusted part that I took out and decided to redo this radius.

so I did redo it
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Next , I cleaned up the welds and patched up the front where the firewall meets the cage, drilled the holes for the rivets...
and called this one DONE!
 
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1 Michel, you are a serious craftsman....no shit,

gotta ask what you do for a living, bet it's tech work of some sort....

:friends::loveletter:
 

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