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I've got an old 1990 pre-powerstroke 7.3l diesel, and I'm seeing more and more biodiesel at stations these days, and I want to know if it is safe for my engine or not.
Comments like "That was mostly a problem with engines older than 1994" make me a little nervous.
Anybody done it, and if so, what blend and how long?
Any blend from B-2 through B-20 is usable with NO mods necessary. If you go above B-20 you may need to replace the rubber return lines. Ford is rather "iffy" on there fuel lines after 1999. I've been making and using my own bio for almost 5 years, and my son has been using B-100 in the summer, and B-80 in the winter in his 2000 F-350 with no problems at all.
Oregon Chapter Leader My friends call me Don.
"I always keep a supply of stimulants handy in case I see a snake, which I also keep handy" WC Fields
Carry a fuel filter with you as the gunk in the bottom of the tank built up over the years will come out and foul the filter.
red 04 F250 build date 04/04 6.0 PSD ,auto,cc, xlt ,sb, moon roof, 4X4, off road pkg, sports pkg., tow pkg,camper pkg,FX4, electric shift on fly
93 f350 7.3 , 5 speed manual, ext cab, long box 240K+ miles
1967 C700 farm truck
30 ft travel trailer
Vietnam Vet/ OS1 USN/USNR retired 26 years
B5 soydiesel user
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