Join Date: Mar 2008
Location: Abingdon, Md.
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Whoever told you that is 180 degrees off. Bio diesel is actually the best additive available for lubricity. Add just a B5 which is a 5% bio 95% #2 diesel mix and see how much quieter your engine (specifically the Injectors) get. You won't believe it. I am currently running on B20 to B30 and the truck runs great. I can get B20 or B99.9 where I get my fuel. I generally fill my tank with B20 and fill 2 five gal cans with B99.9. If I need to fuel up at a regular station I dump the 10 gals of B99.9 in and then top off the tank. That usually works out to a 25% to 30% mix. In cold climates I wouldn't run more than a B20 or a B10.
REMEMBER HIGHER THE HFRR NUMBER THE MORE WEAR ON THE FUEL SYSTEM PARTS!
Anything above 520 HFRR is a FAILING SCORE and does NOT meet either GOV'T Standards (<520 HFRR) or manufactures standards (<460 HFRR).
For those of you using 2 cycle oil at 128:1 you HFRR score is much lower...It passes both standards!
Last edited by PGreenSVT; 06-24-2008 at 11:19 AM.