I have a '79 300SD Turbodiesel. I've been toying with the idea of running
the car on Biodiesel, which is renewable, clean burning, not carcinogenic,
etc. (see www.biodiesel.org). Apparently, the only issue with using
Biodiesel according to the NBB (National Biodiesel Board) is that the fuel
has a high lubricity which can wear down natural rubber components in the
fuel system, like rubber fuel hoses and plastic lining in the fuel tank.
I'd like to upgrade my Benz to all-synthetic rubber fuel components, which
can withstand the biodiesel (apparently all diesels in general, manufactured
in 1994 and after, already come with synthetic rubber components and are
therefore able to handle the biodiesel). Now I'm not sure where to proceed
from here - can anyone tell me what rubber components exist in the fuel
system? Various hoses, maybe gaskets in the fuel injection pump, possibly a
lining in the fuel tank itself, fuel sender gasket, etc?
Also, once I know which parts need to be replaced, where could I find
synthetic rubber hoses and gaskets with the fitting specs?
I appreciate any input at all on this.