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  #13  
Old 01-23-2014, 03:12 PM
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Re: Diesel Fuel Additives

For me I would trust the winter blend. Have to believe that the additive would have the same effect on mileage. I probably have close to 200K using winter blend with no problems that I did not create so I know it works. Zero miles using summer fuel and anti gelling additive so no idea if you would be safe from gelling and get good mileage.
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Old 01-24-2014, 10:38 AM
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Re: Diesel Fuel Additives

My winter additive also has a cetane booster. Seeing as I am at 2000 miles on the odometer and I got my Jeep in December, we already had winter blend diesel at the pumps.

I will say boosting the cetane helps in some respect but until I could run summer blend and see the MPGs, run winter blend and see MPGs, and then do both with an additive I would make no claim to improved mileage.

I like to use the winter additive as a fail safe since my Jeep sits overnight unplugged in the wind at work.( it was -15F yesterday with wind chill to -30 or so and no issues)

Once I run out of the additive I have I am going to try the Opti-lube.
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Old 01-24-2014, 11:58 AM
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Re: Diesel Fuel Additives

In my older TDI I regularly used an additive in the winter especially. The older engines started very hard when it got down to even the teens, and sub zero you really hoped it started on the first turn because you only got one or two shots. The newer TDI never had any problems starting and the dealer said that using an additive would void the warranty so I took no chances. The Jeep literature says you do not need it and only suggests that you do do not use them.

Guess I will see how good the JGC is this week when it is supposed to get down to -11. I think that I probably will plug it in. When it gets that cold I think warming it so the oil flows easier is a good thing and nicer to get into a vehicle that is already starting to warm up. I do not like letting it idle to warm up other than a short period of less than a minute. I go super easy those first few minutes until you can tell it is warming up a bit. Not that I then drive like my butt is on fire but think it is better to take it easy in the beginning.

Although it has been a while I think that the TDI did start a little easier when I used and additive in the winter. I did not find that my mileage changed even a little bit.
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Old 01-24-2014, 12:42 PM
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Re: Diesel Fuel Additives

Quote:
Originally Posted by Buckle10 View Post
I wouldn't expect increase MPG from the additive, but more likely from using the summer blend vs. the winter blend. Otherwise, I am not inclined to use a summer blend rather the winter blend....it just got me thinking how much do you or can you trust an additive to prevent gel
I bought mine in Texas, and ran summer blend for part of the trip home. The milage really decreased when I started to run the winter blend. Milage will definitely improve come spring.
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Old 01-25-2014, 06:39 PM
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Re: Diesel Fuel Additives

Make sure you keep these additives containers and the funnel in a plastic ziplock after you use them. Even just a few drops of this stuff stinks to high heaven!
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Old 02-02-2014, 02:25 PM
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Re: Diesel Fuel Additives

How about the new Royal Purple Max-Tane? Anyone know anything about this - is it worth a try?

Max-Tane™ Total Diesel Fuel Performance | Royal Purple - Synthetic Motor Oil & Performance Lubricants
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