Winter Blend in So. California (anti-gel) - Jeep Garage - Jeep Forum

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Old 12-12-2015, 10:19 AM
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Winter Blend in So. California (anti-gel)

OK no laughing...and yes I read the manual.

I am a first time Diesel owner that lives in So. CA. At my main house it rarely gets below 30 so that is not my concern. But I drive to my cabins in the the mountains (Big Bear Lake, CA) where it often can get below freezing and down to say -5 on occasion. I was at the dealer the other day and while there I asked them about winter blend and anti-gel. The service manager laughed that it was So. Ca and they don't even get winter oil and the mechanic spouted off BS...the trials of living in CA

So i had a couple of questions since I know the blends are regional. Does anyone know if So. CA get winter blend in the Valleys in the lower elevations? Even if they do and don't have it posted would it cause any issue with adding anti-gel also?

And finally is there any affect to adding it and running between very low temps and much warmer temps? (say the teens to the 60s) I would think not but I like to have all the info.

FYI..I grew up back east but no one I knew had a Diesel.

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Old 12-12-2015, 02:46 PM
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Quote:
Originally Posted by momberose View Post
Does anyone know if So. CA get winter blend in the Valleys in the lower elevations?
No, but you're basically in the same situation as the rest of the country that *does* get winter fuel for part of the year. Very few stations post it, so if you want to know you simply have to walk in and ask the attendant.

Quote:
Even if they do and don't have it posted would it cause any issue with adding anti-gel also?
Should be fine as long as we're talking about something like Diesel Kleen. Whatever you use, be sure it's compatible with our complex, finicky emissions systems... unless you already got rid of your DPF & SCR.

Quote:
And finally is there any affect to adding it and running between very low temps and much warmer temps? (say the teens to the 60s)
Well, in general be prepared for a substantial fuel economy hit with either very cold ambient air temps or using winter fuel. Some people claim they get better mileage using cetane boosters like Diesel Kleen, but I think it would be *very* difficult to objectively measure a <5% improvement given that there are so many first-order effects (route, temperature, windspeed, driving style) that would have a much greater effect and would mask a trivial improvement like that.

Protip: wear disposable nitrile gloves whenever fueling your diesel. Diesel doesn't evaporate like gasoline, so pump handles tend to be filthy. Does anyone want that oil and grime on their interior?

Protip 2: if you're using Diesel Kleen, it's very... "pungent". Either keep the DK bottle in the garage at home or get a gasket-sealed, airtight container for the bottle if you want to keep it in the Jeep.
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Old 12-12-2015, 03:18 PM
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Re: Winter Blend in So. California (anti-gel)

Thanks for the detail.

Looks like I need to go ask and hope the attendant does not give me a blank stare...lol
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Old 12-12-2015, 07:13 PM
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Re: Winter Blend in So. California (anti-gel)

Just dump the appropriate amount of Power Service in from wally world and you will be fine, even with summer blend. Won't hurt your cat and I've used it down to -15F ambient sitting outside and no fuel related problems...
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