Adding oil in fuel intentionally? What would be the purpose?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Unidewking, Dec 24, 2018.

  1. SteerTire

    SteerTire Road Train Member

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    The good old days, are fond memories. And were never that good. ;)

    Although I do pine for the days where people minded their own business. And we’re happy to let you mind yours.
     
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  3. Ffx95

    Ffx95 Road Train Member

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    You could get away with this with older engines. My step grandfather sometimes takes my oil mixed gasoline I have for the leaf blowers and puts it in his prehistoric 1970’s g10 van. Honestly being a POS the oil in the gasoline makes it run better.... I wouldn’t dare do that in newer cars or rigs.
     
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  4. Rideandrepair

    Rideandrepair Road Train Member

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    Roadway used to use a drip tank to add old oil at a metered rate. For fuel cost savings.
     
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  5. Rubber duck kw

    Rubber duck kw Road Train Member

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    We actually have an 8-92 Detroit in an old GMC bus that somehow does not leak so much as a drip, or didn't the last time we had it inside anyway. That old thing will run 80 mph pulling a 90s suburban all day long and get 8 mpg to the gallon yet too.
     
  6. Working2party

    Working2party Medium Load Member

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    There’s a unicorn in every herd of horses!!! Jk

    I’ve seen where owners took pride in their 71 and 92 series Detroit’s, drove them properly, and maintained them well. Those are the old “fuel pinchers” that didn’t leak. It could be done, it just wasn’t done often!!
     
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  7. Working2party

    Working2party Medium Load Member

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    Walmart might still, but I knew for a while they used to filter and dump their used motor oil into their fuel tanks at their service locations to burn it off.

    McDonald’s would burn their used fryer oil in their trucks

    These large fleets may still do it, but I haven’t seen any articles on it lately.
     
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  8. Coover

    Coover Road Train Member

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    No o_O
     
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  9. D.Tibbitt

    D.Tibbitt Road Train Member

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    Hell i would be careful dumping atf in ur tanks.. Godforbid the off chance u get pulled over and they check ur tanks next thinf u know they asking why u got red offroas diesel in ur tanks... But officer its just tranny fluid.....
     
  10. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Marvel Mystery Oil is “Red” as well and says it’s ok for newer emission standards.
     
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  11. Dino soar

    Dino soar Road Train Member

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    Two-stroke Detroits were available in inline and V configurations. 53, 71, and 92 series. For more reasons than I can write, they were ingenious in their design

    They were legendary engines for reliability, durability, and longevity. They would just keep going and going and take all kinds of abuse. They would run on pretty much anything you put in the fuel tank. And keep going and going

    They probably were the most widely used engine design, as they powered everything from boats to trucks to generators to military equipment and many many other things. I believe they were designed in the 1930s and were in production well through the 1980s. I'm not sure but they may still be in production for the military.

    Epa did them in. Detroit decided not to do any more research and development on them, and went to the series 60.
     
    Last edited: Dec 27, 2018
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