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 Justins 6.3 project with pictures..
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Art Love

Australia
6237 Posts

Posted - 11/20/2010 :  03:25:41  Show Profile  Reply with Quote
There have been quite a few distractions and #5810 has been on the back burner. #4426 turned into a can of worms, so it made more sense to get on and finish #5810. In the suspension, tires and brakes forum I have put a thread on replacing brake pipes that I could have put here. We made new rear pipes this afternoon.













Last Saturday we put the right rear antidive bushing back together. I didn't have my camera.





During the week, Justin put in the new left rear axle seal and replaced the axle. He also did the left rear antidive bushng.





So I don't have any pictures of doing those jobs to share.
Art
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Art Love

Australia
6237 Posts

Posted - 11/28/2010 :  18:08:12  Show Profile  Reply with Quote
He made more new brake lines during the week.























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Chris Johnson

USA
3751 Posts

Posted - 11/28/2010 :  20:28:54  Show Profile  Reply with Quote
Is he using standard steel line, or somethinge else?

Brian made a post about a new type of line made of copper and nickel that looks very interesting (www.cunifer.com). Small diameter brake line isn't too bad to bend to shape, but the larger the line, the harder it is to do correctly. Replacing 8mm fuel line is a serious PITA! The softer copper-nickel would be a lot easier to do and it will never corrode. Next time I have to replace a line, I'm going to look into this stuff.

Chris Johnson
If you aren't constantly impressed with your car, then it needs fixing.
100.012-12-000790
100.012-12-000867
www.300SE.org
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Art Love

Australia
6237 Posts

Posted - 11/28/2010 :  21:20:47  Show Profile  Reply with Quote
Chris,
I'm pretty sure it is galvanized steel. He's just got hold of some 6.3mm diameter line that looks the same for air lines. The M-B lines are 6mm, so he will either have to ream the end fittings or mill down the pipe ends .3mm. Not sure which will be better/easier. Some of the lines on #5810 were crushed during previous usage. The new brake lines are pretty easy to bend, certainly not like normal steel, and a lot easier than the air lines I am used to.
Art

Edited by - Art Love on 11/28/2010 21:22:54
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Art Love

Australia
6237 Posts

Posted - 11/29/2010 :  04:43:33  Show Profile  Reply with Quote
Chris,
I was at the shed this afternoon and had another look at that brake line. It is very pliable. Justin said his supplier is a very experienced brake expert and told him it was the latest thing and the best brake line he had ever used, so maybe it is what you are talking about. Justin is going there tomorrow because he has found a source of end fittings that will go onto the 6.3mm air pipes which are 12mm, so neither the fittings or the pipe will need modification. He will ask the fellow what it is.
Art
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alabbasi

USA
2874 Posts

Posted - 11/29/2010 :  10:22:42  Show Profile  Reply with Quote
quote:
Originally posted by Chris Johnson

Is he using standard steel line, or somethinge else?

Brian made a post about a new type of line made of copper


Copper (blend) brake lines are very common on British cars but I think that they were outlawed in the US many years ago as it's not as strong as steel.

With best regards

Al
1970 Mercedes Benz 280SL California Coupe
1971 Mercedes Benz 250CE (RHD in the UK)
1971 Mercedes Benz 300SEL 6.3
1972 Mercedes Benz 280CE 4 speed
1973 Mercedes Benz 280CE 4 speed
1973 Mercedes Benz 350SE 4 speed
1976 Mercedes Benz 300D
1979 Mercedes Benz 450SEL 6.9
1981 Mercedes Benz 500SLC
1984 Mercedes Benz 500SL
1988 Mercedes Benz 560SEC Euro
1991 Mercedes Benz 560SEL
1973 GMC LWB Pickup
1962 Jaguar MKII 3.8 Auto
2006 Adidas Samba


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Chris Johnson

USA
3751 Posts

Posted - 11/29/2010 :  13:20:32  Show Profile  Reply with Quote
I think we have to be careful to note that it is a copper-nickel alloy rather than place it solely under the heading of copper.

According to the website, this material is being used in the production of new Audi automobiles, and also has current USDOT approval.

Chris Johnson
If you aren't constantly impressed with your car, then it needs fixing.
100.012-12-000790
100.012-12-000867
www.300SE.org
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Ron B

Australia
11633 Posts

Posted - 11/29/2010 :  16:46:03  Show Profile  Visit Ron B's Homepage  Reply with Quote
Cunifer is the stuff used today and has been in use in the UK for Decades. It's malleable and corrosion resistant which are the two most important factors for hard lines on cars. Copper is malleable but it work hardens in vibration prone cars and although there isn't much evidence (check out refrigeration plants for vibration and copper lines under pressure...) the thought of copper line fracturing because it went hard is not a good idea.
Steel lines in damp climates will always rust out ,even here . Once the galvanizing has decayed under the effect of moisture,road salt and so on ,it rusts quickly.

quote:
12-14-2004, 11:49 PM #8
Tom Hanson
MBCA Member

What the heck, try to stuff a MB 6.9 liter V8 in it. What a machine that would be..
__________________
Tom Hanson
Orange County Section
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Art Love

Australia
6237 Posts

Posted - 12/11/2010 :  04:00:14  Show Profile  Reply with Quote
Justin has been practicing making air lines. Here is the outcome so far. He said that the supplier called the line "Bundi line". Both the brake line and the 6mm air line is the same stuff.

















Art
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Ron B

Australia
11633 Posts

Posted - 12/11/2010 :  18:01:08  Show Profile  Visit Ron B's Homepage  Reply with Quote
He managed to get it in Metric sizing? I have tried but the wholesalers told me it's only in imperial. Odd....

quote:
12-14-2004, 11:49 PM #8
Tom Hanson
MBCA Member

What the heck, try to stuff a MB 6.9 liter V8 in it. What a machine that would be..
__________________
Tom Hanson
Orange County Section
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Art Love

Australia
6237 Posts

Posted - 12/11/2010 :  18:40:16  Show Profile  Reply with Quote
No,
As I said on the 28th November in this thread, it is 6.3mm whereas the factory pipe is 6mm. The end fittings are half inch rather than 12mm. But, as several of the pipes on #5810 have been crushed in the past and new pipes are not available, he has had to compromise. His supplier, who is a street away from you, Ron, told him that the supplier is prepared to make metric pipe, 6mm, but minimal order is 3000 meters at about $5000, so I can't see that happening
Art
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Art Love

Australia
6237 Posts

Posted - 02/12/2011 :  21:35:09  Show Profile  Reply with Quote
The flood has placed a tremendous workload on us that has delayed this project. Justin finally got #5810 on the hoist without something underneath it and did some more work on locating and positioning the new brake and rear end air lines yesterday afternoon while I got stuck into tearing down the drowned engine on the 300SE donor outside.









This is the sort of thing that Ian Keers is talking about doing on his 6.3.
Art
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Ron B

Australia
11633 Posts

Posted - 02/13/2011 :  03:52:46  Show Profile  Visit Ron B's Homepage  Reply with Quote
I find bending the 12mm air line is easy ,mostly because I learnt on 1 1/2 " steel westinghouse air pipe which can be a PITA to bend when it's in a 21 foot length.
There is a company over in Rocklea who make fittings for most applications,if you get stuck I am sure they could make what ever you needed.



quote:
12-14-2004, 11:49 PM #8
Tom Hanson
MBCA Member

What the heck, try to stuff a MB 6.9 liter V8 in it. What a machine that would be..
__________________
Tom Hanson
Orange County Section
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Art Love

Australia
6237 Posts

Posted - 02/27/2011 :  20:54:20  Show Profile  Reply with Quote
A few more pictures from Saturday.
















Art
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Art Love

Australia
6237 Posts

Posted - 03/12/2011 :  22:16:11  Show Profile  Reply with Quote
Justin is getting a new wiring loom made for the car because the existing one is in poor condition. Here are the patterns.



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