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Old 04-27-2004, 10:41 AM
TomJ TomJ is offline
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Join Date: Sep 2003
Location: Back in Colorado for now
Posts: 1,315
Re: W123 Fuel Line Replacements for Bio-Diesel?

Quote:
Originally posted by thevegmyster
I've looked, but can't seem to find the definitive answers.
Surely someone knows out there...
Please, what are the correct sizes for the hoses that must be replaced for B100 use?
I have seen 8mm ID, for some...
What are the clear lines at the IP and filter called?
Are they 8mm?
Can the stock MBZ replacements handle bio-diesel, especially the injector lines?
Is Viton the only good option?
Where does one find it?
Thanks!

'80 300CD,
non-turbo, but GOES!!!
After a 6-mo test in jars of BD, I found no noticeable swelling or deterioration of the STOCK MB fuel hose. This is the NEW hose, not 20 y/o stuff.

You will be fine using all new MB hoses replaceing the return lines (Conti) and the other rubber fuel lines. The latest MB lines seem quite tolerant of BD and will likely outlast your ownership fo the car.

Just replace all the lines with new from MB dealer and run your BD.
__________________
1984 300D Turbo - 4-speed manual conversion, mid-level resto

1983 300D - parts car

1979 300TD Auto - Parts car.

1985 300D Auto - Wrecked/Parts.


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