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06-09-2021, 06:33 PM
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#21
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Montana Master
Join Date: Feb 2008
Location: Hillsboro
Posts: 593
M.O.C. #8238
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old diesel
Well........yes. IF he really wants to use it in his rig, I would add a can of Seafoam (or Stanadyne), and also a can of a good "algae" killer for diesel fuel. I'm an old school diesel mechanic, and worked on them in the Navy. Biggest problem is not aging out like gas, but water and algae growth in the fuel. Had to deal with a railroad locomotive one time, that someone dumped some old diesel fuel into the tank. Algae grew in the tank like crazy. Didn't hurt the engine, but it plugged up every single filter in the system. Again, I would NOT put it in the "new" high pressure computerized systems, but wouldn't have a problem in an older mechanical system. One thing that is more of an issue today as well, is most diesel now has to have around 10 percent "bio" in it, which is a good food for algae.
__________________
Terry and Patsy
Vietnam Veteran, US Navy
2017 3810
2015 GMC Sierra 4X4 3500 SRW
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06-09-2021, 09:08 PM
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#22
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Montana Master
Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
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I'm sorry guys, but some of you act like 6 gallons of 6 year old diesel has the current value of your 401K. Currently in Kansas, this jug of fuel is worth less than $18. Use it for fire starter, weed killer, space heater, anything except in a late model diesel truck. Throwing additives in it to clean it up seems extremely futile to me given what we have to work with here.
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06-10-2021, 07:14 AM
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#23
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Montana Master
Join Date: Sep 2014
Location: Full Timer In Naples, Florida
Posts: 1,049
M.O.C. #15731
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Diesel is like food. When in doubt, Throw it out.
__________________
2017, 3500 Ram Big Horn, 4x4, Crew Cab, DRW, Aisin Transmission, 4:10. Curt Q20, 2014 Mountaineer 331 RLT, Sailun's on the rv and truck.
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06-10-2021, 09:22 AM
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#24
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Montana Fan
Join Date: May 2019
Location: Mesa
Posts: 131
M.O.C. #24052
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My 2 cents worth
From Google "Exxon states that “diesel fuel can be stored 6 months to 1 year without significant fuel degradation if you keep it clean, cool and dry.” Chevron adds that diesel fuel can be stored longer than a year under certain conditions: First, the fuel was purchased clean and dry from a reliable supplier."
Fuel Stabilizers should be added from the start while fuel is fresh. IMHO using it wouldn't be worth the chance of harm to your truck. Plus buy the time you buy stabilizer & an algicide you could have just replaced the fuel. As many have said just rotate the fuel in the future. It wouldn't be a bad idea to add stabilizer from the start. A side note: Temperature also effects how long fuel can be stored. Colder (below 70) will last longer than in warmer areas.
__________________
Rod & BJ
2019 3811MS , 2020 GMC 3500 Dually Denali Duramax, Anderson hitch.
Mesa, AZ
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