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Old 03-01-2013, 06:41 PM   #15
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I don't have a Diesel motor home, however I do have a diesel car that is my daily and a diesel truck that my dad uses to pull his 5th wheel. That said twice a year I run the BG product called 244K (like 44k for gas, but specifically for diesel) then during the rest of the time I run Power Service products every 3 fill ups or so.(White bottle - late fall,Winter / Grey bottle - Summer, spring. early fall)
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Old 03-04-2013, 03:04 PM   #16
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At the risk of starting a fuss, I use 2 cycle oil at the rate of 1 oz./gallon.
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Old 03-04-2013, 03:46 PM   #17
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At the risk of starting a fuss, I use 2 cycle oil at the rate of 1 oz./gallon.
Older diesel? Reports are that will mess up a DPF system.
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Old 03-05-2013, 06:51 AM   #18
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Yes, a '97 P-pumped 5.9 and a '92 Bosch. Haven't put that many miles on the '92 as I just recently purchased it. The '97 has 105K of which 75K were on the 2 stroke. No real MPG improvement but it does quiet the engine down and give me peace of mind. To my knowledge there have been no ill effects. Wallyworld tech outboard oil, just don't use synthetic.
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Old 03-05-2013, 02:10 PM   #19
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At the risk of starting a fuss, I use 2 cycle oil at the rate of 1 oz./gallon.
No fuss here, there is a large number of folks with the slightly older diesels that have great luck with this! With some of the fuel changes made this is almost a requirement.
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Old 03-06-2013, 02:12 PM   #20
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No fuss here, there is a large number of folks with the slightly older diesels that have great luck with this! With some of the fuel changes made this is almost a requirement.
I've heard that too...but the key word is ''older''...not sure how far back that is.
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Old 03-08-2013, 04:04 PM   #21
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I've heard that too...but the key word is ''older''...not sure how far back that is.

Generally refers to engines built before the introduction of ULSD.

The ULSD has a lower lubricity than LSD due to the reduction of sulfur content from 500 ppm to 15ppm.

ULSD has caused some lift pump issues in these vintage diesels, that's why folks use an additive to increase the lubricity of today's fuel.

Your 2009 was designed to run on the ULSD fuel.

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Old 03-09-2013, 02:32 PM   #22
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Thanks.

I know I'm okay. When we were looking for a MH, I wanted an engine built for the ULSD, but did not need DEF.

Wish Uncle Sam would stay out of the fuel business.
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Old 03-16-2013, 04:40 PM   #23
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I use ARCHOIL D-6200. Adds lubricity to CA fuel. 1/2 oz per fill up. Has moved mpg from 12.5 to 13.5. Archoil oil additive will stop stiction problem in Ford 6.0 big haulers and mining intrests use it and they don't usually throw money away.
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