ExxonMobils 'Synergy Diesel Efficient' diesel - Chevy and GMC Duramax Diesel Forum
2017-19 GM T-K2 Platform Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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post #1 of 6 (permalink) Old 11-14-2019, 06:53 AM Thread Starter
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ExxonMobils 'Synergy Diesel Efficient' diesel

What's the story on this diesel fuel? Anyone see any improvement in mileage? Is it even usable for L5P engines (e.g. ULSD)?

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post #2 of 6 (permalink) Old 11-14-2019, 06:59 AM
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I havent done any testing so who knows. But everyone around me has some type of "fancy" diesel these days. Its most likely the same shit weve been buying for years. Maybe more additives in it. Im sure its fine for a l5p.
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post #3 of 6 (permalink) Old 11-14-2019, 07:58 AM
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It's their new additive pack Diesel fuel....."2% mileage improvement".

They started rolling it out back in 2018.
Probably just upped the Cetane levels.

I run it all the time....not exclusively, but they're common in my market area....and they seem to call the shots on pricing when it comes to their competitors close by.

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post #4 of 6 (permalink) Old 11-14-2019, 08:42 AM
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X2 its what goes in my race truck 8/10 times as there is a exxon near the house.

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post #5 of 6 (permalink) Old 11-15-2019, 08:35 AM
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Itís yellow.

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post #6 of 6 (permalink) Old 11-15-2019, 09:16 AM
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I have seen Exxon commercial bragging about new algea bio fuel.

Personally I do not trust that fuel in my diesels that need to perform high temperature regens.

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