Several things stick out in that nationwide US fuel sampling back in 2003:Posted: Sun Apr 30, 2006 8:16 pm Post subject:
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This seems like a good place to post this, so here goes:
http://www.arb.ca.gov/fuels/gasoline/me ... 3bosch.pdf
Interesting info, lots of big words.
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Matt B.
1). Total Aromatic Content: 16-46 (many high numbers)
2). Cetane across the USA spanned 44 to 57 (many low numbers)
3). Sulfur spanned 23 to 416 (not okay for aftertreatment)
4). HFRR is a fairly new lubricity testing sequence. Seems the higher the number, the lower the lubricity performance. According to Bosch, 460 µm is the lowest acceptable number for average use in diesel fuel systems having rotary or common rail fuel delivery systems.
Nothing mentioned about inline pumps.
I would enjoy reading a more current bulletin like this from Bosch.
In the meantime and without more current information, I'm staying on lubricity additive band wagon.