Front Frame weld slag? - Team Camaro Tech
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post #1 of 16 (permalink) Old Apr 6th, 19, 10:40 AM Thread Starter
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Front Frame weld slag?

Was at a car cruise looking at other 1st gens last night and noticed weld slag of various amounts usually on the front side of the shock mount bracket that is welded to the front frame on a few of them. Just on top so it didn't appear to be a frame crack fix. I looked at mine and I do see some slag drippings away from the weld itself on one side but beyond some slag drip nothing that would indicate the frame suffered collision damage. All the sheet metal is original

Were these sub frames welded by robots and is some slag "normal"?

Were the front shock brackets prone to breaking welds to the front clip?
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post #2 of 16 (permalink) Old Apr 6th, 19, 11:02 AM
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Slab is very common. I am not positive, but they look like they were done by hand to me. Could be wrong though.

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post #3 of 16 (permalink) Old Apr 6th, 19, 11:19 AM Thread Starter
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Re: Front Frame weld slag?

...it was a Alfa Romeo owner ( go figure) who initially spotted it on one Camaro as I was talking to its owner claiming the car had been wrecked and the frame "poorly" welded back....

...that was basically ignored as the owner was original but when we looked at other 1st gens, and mine, "similar" signs of minimal slag were present generally around the front of the shock bracket where it is welded to frame but not uniform on both sides. To me it just looks like incidental slag, not any form of repair

Maybe that was the "end" point when these things were welded, IDK if by hand or robot, and some slag dripped in those areas
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post #4 of 16 (permalink) Old Apr 6th, 19, 12:16 PM
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Re: Front Frame weld slag?

Well that just shows you how little the Alfa Romeo owner knows about 1st gen Camaros.
Weld slag of varying degrees is totally normal and not only on Camaros but also other GM
cars of the era.

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post #5 of 16 (permalink) Old Apr 7th, 19, 03:28 AM
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Re: Front Frame weld slag?

Who (company/division) did the subframe welding on a 69 Camaro? Assume it was done by hand since it was long before robots? Stick or wire?
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post #6 of 16 (permalink) Old Apr 7th, 19, 04:46 AM
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Wire. Mine had some wire still on my frame.

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post #7 of 16 (permalink) Old Apr 7th, 19, 06:00 AM
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Re: Front Frame weld slag?

Pretty sure AO Smith and Parrish Pressed Steel did the subs on Camaro's. There were early versions of welding robots (Unimation being one company)being used at the time, but I'm not sure they were used on the subframes yet.

Wire welding was what they used. If there was a welding gas hiccup or an new setup on the gun there may have been excessive slag or more likely splatter.

The Alfa guy just wasn't used to seeing this. I would doubt that a frame bent seriously enough to require re-welding (cracked-torn metal) would have been re-built, at least back then. It would have been totalled. I've seen frames reused when they had cages at one time installed and you can see the remants of where the cage attached.
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post #8 of 16 (permalink) Old Apr 7th, 19, 07:08 AM
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Re: Front Frame weld slag?

The welding on my sub-frame was so poor, I can't imagine a robot doing that bad of a job. One side was much better than the other, so I would believe a sub, or new person, was working that side of the line that day. I went over a lot of the upper a-arm bracket welds to make it stronger before powder coating.






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post #9 of 16 (permalink) Old Apr 8th, 19, 04:45 AM
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Re: Front Frame weld slag?

Quote:
Originally Posted by Lost in the 60's View Post
The welding on my sub-frame was so poor, I can't imagine a robot doing that bad of a job. One side was much better than the other, so I would believe a sub, or new person, was working that side of the line that day. I went over a lot of the upper a-arm bracket welds to make it stronger before powder coating.





I'm sure there were more and less talented welders, but those welds don't look factory to me. Mine had a ton of slag and several pieces of wire still attached. I left them when I blasted and painted my sub-frame. I thought it was kind of cool to see the direct hands on evidence.

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post #10 of 16 (permalink) Old Apr 8th, 19, 06:15 AM
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Re: Front Frame weld slag?

That sub frame is all original. My '66 Chevelle frame has some shoddy welds on it and all of the dozens of other 60's GM frames I've been involved with had sloppy welding too. When the factory is pushing 300 cars a day out the door, this happens. This area was just worse than the others and I couldn't leave it alone, even though it has survived as is for 52 years...

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post #11 of 16 (permalink) Old Apr 8th, 19, 02:15 PM
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Re: Front Frame weld slag?

My sub had some slag and bits of welding wire. I assume they used a flux core wire instead of shielding gas in those days.

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post #12 of 16 (permalink) Old Apr 8th, 19, 02:45 PM
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Re: Front Frame weld slag?

Quote:
Originally Posted by davidpozzi View Post
My sub had some slag and bits of welding wire. I assume they used a flux core wire instead of shielding gas in those days.

THAT'S what these welds reminds me of...I bet you're right, David...

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post #13 of 16 (permalink) Old Apr 8th, 19, 03:12 PM Thread Starter
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Re: Front Frame weld slag?

Here are pics of my slag....looks like the guy on the PS of the line did a better job than the guy on the DS

DS


PS
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post #14 of 16 (permalink) Old Apr 8th, 19, 04:48 PM
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Quote:
Originally Posted by SoCal805 View Post
Here are pics of my slag....looks like the guy on the PS of the line did a better job than the guy on the DS

DS


PS

When I hit your pictures to make them bigger, I get the picture . And a ad for sexy Asian woman. Kinda funny.

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post #15 of 16 (permalink) Old Apr 14th, 19, 03:38 PM
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Re: Front Frame weld slag?

There is some ugly welding in the photos but I missed the sexy Asian woman...

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