Quick question....at what temperatures should we be switching from #2 to #1 or blends thereof?

The temps up here (Poslon, MT) are dropping and the fuel station offers #2, #1, and a 50/50 blend. So far I'm still using #2 but I see the temps will be dropping into the mid single digits later in the week as I head back south through Idaho. I'm kind of figuring that the fuel heater will compensate somewhat for the lower temp.....if it starts of course.

'Preciate any insight on this matter.

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2006 Libery Sport CRD, Lt Kakhi, nicely equipped
*****GDE Hot Tune at 38,879 miles
*****Stock TC.....for the time being!!

My dad used to run the 50/50 or higher mix, with anti-gel, during the winter in ND. Even if you run straight winter fuel you should still run anti-gel of some kind.

I can't give you an exact answer except to say that my experience is just to use the "winter" diesel (that's all that is available here in cold weather). I have started mine in temps below -10f without issue, but was advised by the local station to put in antigel at temps below -20f. I keep a bottle in the car, but in the 2 1/2 years I have owned it I have never had to use the antigel.

Don't know if it is right, just my experience

I wonder if the lubricity is maintained in winter fuel or blends with #1 -- kerosene straight is bad news without lubricants. My preference is winterized #2, but I always am running some percentage of biodiesel - at least 5%. The refiner's lubricity standard for ULSD is not as good as what the manufacturers want. I would hope it doesn't slip even further with a kerosene blend.

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'05 Liberty CRD B100, SEGR - SOLD

'01 Beetle TDi B100, EGR delete
'83 Mercedes 240D B100, no EGR

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