Counteracting bioDiesel
Well, we bought dieselacuple months ago at Flyin J in Kingmaan,Az.Did not see agreen biodissel sign at the time but it is there noww. So we have at least half a tank of B20. Our older coach doe not...
Forum Discussion
down home wrote:jorbill2or wrote:
I have run up to b20 many times in my 03 c12 ( actually manufactured in 02 ) over the last 50,0000 miles with no issues. When I looked some years ago cat authorized up to b20 in their engines. I think you may have received some inaccurate info. Like others have said just drive it and top it off and you’ll dilute it. You can get up to 5 % bio at the pump with no notice whatsoever, so you have already been running a small bio % without knowing it.
@007 on mfgs made changes in to better accmodate ULSD and the same year or next to rubber seals and componets for bio diesel.
Biodiesel is like cookign oil and swells the old rubber formulas and rots them too.
I found this in my notes without looking too deeply , From the Caterpillar Engine Maintenance Handout:
Cat and Cummins have differing stds .. I believe the seals were changed much earlier .. late 90’s or very early 2000’s ?
Biodiesel
– Use ASTM D6751 or DIN 51606 specification
• Limited storage life
• Less BTU content (5 – 7%) than regular diesel
• Allowable Blend
– Up to 30% for engines built prior to 1/1/2007. <<<< THIS !
– Engines built on or after 1/1/2007:
» Up to 5% for C7 and C9
» Up to 20% for C13 and C15
