Chevy and GMC Duramax Diesel Forum - View Single Post - XDP fuel additive
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post #2 of (permalink) Old 12-18-2019, 07:51 AM
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Join Date: Feb 2008
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Originally Posted by Shoots_5 View Post
The fuel I buy is already winterized. Never had a problem with it gelling. I have both the XDP power plus and the polar D. Should I add more winterizing with the Polar D or just run the power +?
There are a few variables such as where you live and the outside temperature.

If you live in a northern climate with extremely cold winters, you should probably consider switching over to Polar D as the temperatures approach the freezing point. Make sure to increase the amount of Polar D as the temps drop down even further. Also remember to add it before pumping your fuel. This will help ensure a good mixture throughout the fuel.

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