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#1
06-12-2013, 05:56 PM
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Brass Overflow Tank
So I'm thinking of replacing the old boring plastic overflow tank with a fairly unique brass tank.
 Here's the current setup.  Any thoughts?
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#2
06-12-2013, 06:17 PM
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Are you just gloating?!?
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Current fleet 2006 E320 CDI 1992 300D - 5speed manual swapped former members 1984 300D "Blues Mobile" 1978 300CD "El Toro"
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#3
06-12-2013, 06:34 PM
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I think there are a couple of issues. First everything is black and aluminum/silver and one brass item might just be weird. It would be pretty interesting to have everything black and brass, but that's way too much work. The other issue is it becomes harder to monitor coolant because you've pretty much got to wait until things cool down a bit to check. And there might be other issues...just asking.
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#4
06-12-2013, 06:40 PM
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Right.. i was kinda just kidding. Definitely a legit concern about the coolant level.
The aesthetics of black and brass wouldn't bother me. Having a coolant overflow tank that would never fail would be awesome.
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Current fleet 2006 E320 CDI 1992 300D - 5speed manual swapped former members 1984 300D "Blues Mobile" 1978 300CD "El Toro"
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#5
06-12-2013, 08:21 PM
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My '96 E300 (W210) has a (factory) opaque black plastic expansion tank yet somehow it has struggled up to 289,000 miles. I prefer the clear tank of the W124 but the factory decided ("und chu vill like it, ja?) that I don't need to see inside.
Jeremy
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 "Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970
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#6
06-12-2013, 09:14 PM
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I rather like my brass coolant tank.
 They look great polished up and it matches the yellow zinc which some of the engine parts were plated.  They were originally painted semi-gloss black like the radiator. They usually last longer than the plastic ones, though they are subject to leaks like the radiator. The downside to them is that you can't see the height of the coolant level unless you remove the cap. This must be why they went to the plastic version in 1974, with the exception of the 6.9. They probably had to use metal ones in the 6.9 because of the heat the engine put out.
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Stop paying for animal enslavement, cruelty, and slaughter. Save your health and the planet. Go vegan! I did 18 years ago. https://challenge22.com/ DON'T MESS WITH MY MERCEDES!  1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C 1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles
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#7
06-12-2013, 09:17 PM
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Speaking of heat engines put out, I just noticed that your turbocharger and manifolds are awfully close to your plastic coolant tank. It may be worth going to the brass one just for this reason. I can see the heat from the turbo crazing and discoloring the plastic tank.
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Stop paying for animal enslavement, cruelty, and slaughter. Save your health and the planet. Go vegan! I did 18 years ago. https://challenge22.com/ DON'T MESS WITH MY MERCEDES! 1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C 1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles
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#8
06-12-2013, 09:25 PM
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How often do you polish yours and what do you use? Have you considered adding a coat of clear to keep it looking nice?
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#9
06-13-2013, 01:22 AM
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I only polished mine once, right before I installed it. After a year, it has dulled a bit, but isn't too bad. I think that I used steel wool scraps and whatever chrome polish I had left over. The surface has enough tooth to it that it doesn't take long to dull. If it was sanded with gradually finer grades of sandpaper and then polished with a good metal polish, it would probably stay shiny for a very long time. A clearcoat would help if it will adhere to the metal.
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Stop paying for animal enslavement, cruelty, and slaughter. Save your health and the planet. Go vegan! I did 18 years ago. https://challenge22.com/ DON'T MESS WITH MY MERCEDES! 1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C 1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles
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#10
06-13-2013, 10:18 AM
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Nice....
Give me the part number off that tank...
__________________
 Did you just pass my 740 at 200 kmh in a 300SD?????1978 300SD 'Phil' - 1,315,853 Miles And Counting - 1, 317,885 as of 12/27/2012 - 1,333,000 as of 05/10/2013, 1,337,850 as of July 15, 2013, 1,339,000 as of August 13, 2013 100,000 miles since June 2005 Overhaul - Sold January 25th, 2014 After 1,344,246 Miles & 20 Years of Ownership 
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#11
06-13-2013, 10:58 AM
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Quote:
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Current Stable
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#12
06-13-2013, 11:31 AM
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wow, that's awesome.
for a level indicator you could put a tee in the lower and upper hoses, and connect them with a glass tube or some clear hose capable of the pressure and temps in the system... any boiler supply shop should have treated glass tubes...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#13
06-13-2013, 12:16 PM
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Quote:
__________________
Did you just pass my 740 at 200 kmh in a 300SD?????1978 300SD 'Phil' - 1,315,853 Miles And Counting - 1, 317,885 as of 12/27/2012 - 1,333,000 as of 05/10/2013, 1,337,850 as of July 15, 2013, 1,339,000 as of August 13, 2013 100,000 miles since June 2005 Overhaul - Sold January 25th, 2014 After 1,344,246 Miles & 20 Years of Ownership
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#14
06-13-2013, 03:53 PM
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Just FYI I called Mercedes. NLA as the thing has been superceded several times.
No stock anywhere...... booo, that stinks.
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Onus probandi incumbit ei qui dicit, non ei qui negat I recondition w123/w126/w124/w140/r107/r129/ steering boxes! 1984 300D "Elsa" odo reset 6/2011 147k 1983 300TD "Mitzi" ~268k OM603 powered 1995 E300 "Adelheid" 262k [Sold]
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#15
06-14-2013, 09:50 PM
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Well decided to go ahead and install the new overflow tank.
 It's actually quite a bit shinier than it appears in the picture. I did decide to clearcoat it...maybe a mistake, but at least I won't have to be polishing it all the time. 
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