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View Full Version : Remember the old auto body lead?



qajaq59
06-29-2010, 04:42 PM
We used to heat it and spread it with the wooden paddles for dents on cars.

Well anyway, I picked up about 10 lbs of it today and I'm wondering if it is pure lead or was there tin in it? Anyone know?

Cactus Farmer
06-29-2010, 05:02 PM
I think it was 50% tin 50% lead solder. It is easy to work and stays semi-solid for a long time.

qajaq59
06-29-2010, 05:22 PM
It is easy to work and stays semi-solid for a long time. Yup, that's the stuff.

Thank You Cactus Farmer. I'll put it aside for when I need some tin.

cajun shooter
07-03-2010, 02:50 PM
I think as a friend of mine did a lot of custom work in the Baton Rouge, La. area in the early 60's and 70's that they also used some very soft lead that was probably not 50/50. 50/50 is hard enough to not be pliable and I saw them using a lead that could be scraped and formed with almost anthything. It almost worked like clay. Later david

badgeredd
07-06-2010, 01:32 PM
My BIL who was trained by an OLD body man 35 years ago said the old fellow's preferred alloy for body fill was 10/90 tin/lead. The old guy quit using lead about 5 years later because he couldn't get a good alloy. Seems that a lot of his supplied filler was "contaminated" with antimony and it didn't spread nearly as well. He used a 50/50 solder to tin the surface before filling.

Edd

Echo
07-09-2010, 06:45 PM
I looked on eBay and there were sales for 30/70 body solder. That ratio makes sense to me, since the body man wants it to stay plastic (like clay), and more tin would bring the fluid temperature down making it easy to heat it too much and it would run off the body being soldered.

And they want a LOT for that 30/70 solder! Like $60 for 5 lbs!

qajaq59
07-10-2010, 08:30 AM
And they want a LOT for that 30/70 solder! Like $60 for 5 lbs Wow!!! I got 10 lbs of it at the scrap yard for $0.50 a lb.

Dale53
07-10-2010, 10:31 AM
I ran a large body shop in the middle sixties (part of a Chevrolet dealership). We used 80/20 lead/tin. We used NO plastic filler. It was lots more expensive in both time and material but we believed that a better job resulted...

Dale53

qajaq59
07-10-2010, 01:05 PM
When I was young and Bondo first came out, you were considered a hack if you didn't use the lead. Times change I guess.

Blammer
07-11-2010, 04:03 PM
Hence the terms "lead sled" :)

qajaq59
07-11-2010, 04:13 PM
If I had half the lead I wasted learning how to use that stuff on my 49 ford, I could probably cast a 1000 bullets now. LOL

Freightman
07-12-2010, 02:00 PM
My neighbor across the ally from me made me sick the other day, before I knew him and before he moved there he was a body man. He said when he retired he left 4 55 gal drums of scrap and wheel weights because no one wanted them. The man who owned the building hired a front end loader and hauled it to the dump. Remember this was back when they did this kind of work and no one cared
what you dumped in the dump.

qajaq59
07-12-2010, 02:43 PM
That like the guy that tells you he found a great deal on a rifle the day after you buy one. Grrrrr LOL