bio diesel b20

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Jun 22, 2008 | 09:51 PM

firstfordf25008

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bio diesel b20

i know the owner manual says to not use any more than b5 but i couldn't help myself so i topped off my tank w the b20 today. before i was getting 11-12 mpg w my truck lifted 8'' w/ 38'' tires but since i filled up w the b20 ive been holding steady in the 16mpg range. has anybody else tried this and noticed a difference?

Jun 24, 2008 | 11:26 PM

JCHH

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I filled up 3/4 of a tank with B20 while towing my 30' Weekend Warrior once. I've got a 6" lift and 37's (no gears yet); I got a wopping 4.6 mpg while towing