Cetane? How Much Is Too Much?
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Then when i return to warmer climates, my milage returns. This is a simple observation but it was consistent with temps and seemed like for ever 25* drop in temp, i lost about 1 mpg.
My best milage comes in the summer when its 90*-100*... I get 18-19 mpg then.
Last edited by CHenry; 09-04-2007 at 01:17 PM.
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Certain other things such as kerosene cant be added to diesel to give it a different cetane rating.
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You are exactly right and I don't know all about winter blend fuel having higher cetane rating causing poorer milage. What I do know is the ambient temps outside will effect milage of your diesel. I drive from OK to MN in December for christmas and it could easily be 60* here when i leave and I"m getting around 17 mpg...as i approach MN, the temps are closer to 0* and I can't get above 13 mpg....and its all the same fuel....i left OK with 130 gallons so i didn't have to buy any fuel untill my return trip.
Then when i return to warmer climates, my milage returns. This is a simple observation but it was consistent with temps and seemed like for ever 25* drop in temp, i lost about 1 mpg.
My best milage comes in the summer when its 90*-100*... I get 18-19 mpg then.
Then when i return to warmer climates, my milage returns. This is a simple observation but it was consistent with temps and seemed like for ever 25* drop in temp, i lost about 1 mpg.
My best milage comes in the summer when its 90*-100*... I get 18-19 mpg then.
I've left PA at -25*F getting 12mpg...ended up in NM getting over 20mpg. I know all about that temperature thing!
And another thing that completely makes this a moot point is the fact that suppliers add their own concoction of additives to the fuel they put out at the pumps...so we might not even see the effects of the fuel itself, but the additives within that fuel.
steved
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