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 > Why Diesel Engines Lose Power & Efficiency Over Time

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ShinerBock

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Posted: 07/17/19 01:22pm Link  |  Quote  |  Print  |  Notify Moderator

Interesting video from Jason Fenske at Engineering Explained on Exxon's new Synergy diesel fuel additive package, and their 2% mpg improvement claim. What I found more interesting was the 11% NOx improvement which means less DEF usage and/or more max power could be had without the need to de-fuel in order to stay within emissions.

BTW, even though he doesn't name of the third party test facility, it was Southwest Research here in San Antonio, Texas. I recognize the facility from when I worked at Cummins(we used them a lot) and confirmed it with a few friends that work there.

Enjoy!

Why Diesel Engines Lose Power & Efficiency Over Time

bobsallyh

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Posted: 07/17/19 02:37pm Link  |  Quote  |  Print  |  Notify Moderator

Sounds like a takeoff on "Chevron with Techron".

Sam Spade

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Posted: 07/17/19 06:06pm Link  |  Quote  |  Print  |  Notify Moderator

ALL piston engines lose power and efficiency over time......if the time is long enough.

It is because of wear; piston rings and loss of compression mostly.

You can't really fix that with snake oil.


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kw/00

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Posted: 07/17/19 07:07pm Link  |  Quote  |  Print  |  Notify Moderator

I watch his videos when I can, and have been impressed with them. Thanks for posting.


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FishOnOne

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Posted: 07/17/19 07:53pm Link  |  Quote  |  Print  |  Notify Moderator

I've been running this ExxonMobil DieselEfficient fuel for ~7 months now and it clearly reduced the regen frequency on my truck.


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mkirsch

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Posted: 07/18/19 07:23am Link  |  Quote  |  Print  |  Notify Moderator

Why diesel engines lose power & efficiency over time?

How about normal wear and tear and lack of maintenance?


Putting 10-ply tires on half ton trucks since aught-four.

ppine

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Posted: 07/18/19 07:50am Link  |  Quote  |  Print  |  Notify Moderator

My uncle was a diesel mechanic in Alaska for decades. He helped pioneer the oil analysis technology for Standard Oil.

He always told me to get the air in and get the air out. Then get rid of the dirt. I have actually had good luck with engine additives designed to reduce friction.

ACZL

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Posted: 07/18/19 10:14am Link  |  Quote  |  Print  |  Notify Moderator

Loss of power and efficiently ??? My '16 Freightliner w/ a Detroit 13L 410 HP w/ 410,000 still pulls like a train


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Learjet

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Posted: 07/18/19 07:24pm Link  |  Quote  |  Print  |  Notify Moderator

ACZL wrote:

Loss of power and efficiently ??? My '16 Freightliner w/ a Detroit 13L 410 HP w/ 410,000 still pulls like a train


ok, then it's settled...close all the labs [emoticon]


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ShinerBock

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Posted: 07/18/19 08:08pm Link  |  Quote  |  Print  |  Notify Moderator

Learjet wrote:

ACZL wrote:

Loss of power and efficiently ??? My '16 Freightliner w/ a Detroit 13L 410 HP w/ 410,000 still pulls like a train


ok, then it's settled...close all the labs [emoticon]


lol! Yeah, that is real scientific.

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