x 2, the bag filters work well.

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Strelnik
Invest in America: Buy a Congressman!

1950 170SD
1951 Citroen 11BN
1953 Citroen 11BNF limo
1953 220a project
1959 180D
1960 190D
1960 Borgward Isabella TS 2dr
1983 240D daily driver
1983 380SL
1990 350SDL daily driver alt
3 x Citroen DS21M, down from 5
3 x Citroen 2CV, down from 6

Y'all are going on about 13 gallons of old crusty red fuel ... just use it to kill weeds or something, not your mercedes
If you're dead set on running it in the car, after filtering it, top off the tank with only a couple gallons every time you fill up. That might also hide the color. Just carry around a bottle of marvel mystery oil with you in the trunk as an "alibi", it doesn't take much of that to turn diesel red.

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'82 240D 224K miles manual transmission
mods: wooden 4by4 bumper, EGR delete and older EX manifold without EGR port, glass pack muffler (cheapest replacement muffler), rebuilt bosch injectors with Monark nozzles

working on: aux electric fuel pump, coolant/fuel heat exchanger/filter head, afterglow, low oil pressure buzzer/LED

x3 on the bag filter. how old is the fuel? My fuel delivery guy said the older dyed diesel did not have ultraviolet dye only the color.He also said 1 gal. of old to 20 new would dilute it enough. I have 400 gal of dyed fuel coming ,15 years old.I will let you know how it goes

When I had my rental business, I ran all off-road equipment on #2 heating oil, with no issues at all. I added Stanadyne fuel conditioner and a biocide in the summer.