Fill it up with really hot water and oxyclean and let it sit awhile,
maybe put something in, some gravel or something, to shake around and
dislodge the crud. Maybe even put a fire under it to get it boiling.
Oxyclean does wonders at loosening crud, might be worth a try. Then a
dose of biocide.
--R
On 4/24/16 2:02 PM, Curly McLain via Mercedes wrote:
So the FL kid had filled the tank with used fry oil, probably without
filtering. The car ran, i put about 5 gal of Diesel in twice and was
thinking maybe the worst was over but figured I'd need to change
filters a couple times. The filler cap and neck were awful, filled
with rust and krud. leaving high FFA oil sit in a steel tank is not
good.
Yesterday #1 daughter took off in it so I could work on the front end
of the other 300D. The filter plugged up and she returned, and too
off in the heap. I am now without working wheels.
I changed the filter. I still can't get it to run on its own. (half
firing) Still short on fuel. The filter only drained out a
tablespoon or two of oil. Very plugged up. I probably weighed 5-6
times what the new filter weighed.
SO I drained the tank and took it out. Is is coated with a yellowish
crud. It is somewhat like a really bad case of the black death crud,
but not black.
I thought about getting a tank coating, but that won't stick to the krud.
Has anyone ever seen this krud? Is there any way to clean it out? I
had planned to pressure wash the tank, but I won't be able to clean
all of it with a regular pressure washer.
I am guessing the only clear path is to get a used clean tank, but
that will take a few days. Getting a coating will probably take a few
days also.
What's the collective experience?
(87 300D)
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--BB
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