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  • Give us your General FAQ's!

    One of the areas I know we need to work on is just general Knowledge. Here is your chance to ask the questions you couldn't find answers for on our site. This thread will be for WVO questions in general. I will start another for system specific FAQ's. I want to know what you want to know! When listing questions please list them out to make it easier for me to copy and paste. Thank you!
    1999 F-350 Lariat 7.3 385,000 miles and counting
    2000 VW Jetta 2.0
    1966 Jeep J-300 with EFI 351W

  • #2
    When is oil to old to use?
    NC State law defines biodiesel as ''any fuel or mixture of fuels derived in whole or in part from agricultural products or animal fats or wastes from these products or fats.''
    Exemptions from the excise tax.

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    • #3
      I've always been told, about 6mos. But I just go by my nos. If it smells like rotting oil, it is. I never let mine sit more than 3 weeks after I collect, if I don't use it all by then I sell it to the local biodiesel plant.
      '01 F350, lariat LE, cc, lb, drw, TSP 6pos. chip w/ swamps ss tunes, FF stage 1.5, MBRP 4" turbo back, cooling mist water injection.

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      • #4
        What happens if you run oil that is too old?

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        • #5
          Oil Types

          What are the best vegi oils to use and what are the worst?
          ie peanut, sunflower, canola, 100% vegi, etc.
          2000 F250 7.3L
          Vegistroke installed July 12, 2008

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          • #6
            does new oil have to be "de gummed" before using it?

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            • #7
              What are some simple tests I can run to see if I have any contaminants (boil out) in my oil?

              How can I tell if my oil is "clean" enough?
              Greasin & Grinin
              Vegi oil powered since Aug 08
              2006 F-250 PSD - CC, Lariat, 4X4 - Vegistroke converted 1/27/13!!
              2008 F-250 PSD - CC, Lariat, 4X4 - Sold
              2005 F-250 PSD - CC, Lariat, 4X4 - Sold

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              • #8
                Hooter if the oil is too old as far as I know it could have bacteria which is not good for any fuel system, and if I understand rite, the oil doesn't burn properly and can coke the injectors. Not good either way.

                Triple M the only oil I stay away from is hydroginated, since hydro is water I keep it as far away as I can. The diesel engine was designed to run on penut oil, but any oil is good if it's clean.

                Marv, boil out is a good test for water, but that's about all it will tell you. If your donaldson filter stops up quickly, you didn't prefilter enough. Other than that you need lab equipment to find other contaminants.
                '01 F350, lariat LE, cc, lb, drw, TSP 6pos. chip w/ swamps ss tunes, FF stage 1.5, MBRP 4" turbo back, cooling mist water injection.

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                • #9
                  Is condensation in the tank an issue? How much condensation builds up (summer vs winter)? Should I drain the tank periodically, and if so, how often?
                  2005 F350 Harley: Heat Induction Hood, ARE Bed Cover, DashHawk, MBRP turbo back, cat delete, SCT: Tunes by Spartan, Exhaust Sound Videos HERE

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                  • #10
                    My truck runs roughly at idle. Is this expected (it is heavily tuned, + 175 HP)?
                    2005 F350 Harley: Heat Induction Hood, ARE Bed Cover, DashHawk, MBRP turbo back, cat delete, SCT: Tunes by Spartan, Exhaust Sound Videos HERE

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                    • #11
                      Condensation is not a big issue, I still try to keep my tank semi-full as not to draw in too much outside air. The rough idle needs to be looked into. A friend of mine had a 6.0 with 165 tuner from TSP and idled smooth. It may be the tuner or something with your injector seals or HPOP. If you can detune back to stock or mild tune, try that and see if it smoothes out.
                      '01 F350, lariat LE, cc, lb, drw, TSP 6pos. chip w/ swamps ss tunes, FF stage 1.5, MBRP 4" turbo back, cooling mist water injection.

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                      • #12
                        Originally posted by greasedltn View Post
                        Condensation is not a big issue, I still try to keep my tank semi-full as not to draw in too much outside air. The rough idle needs to be looked into. A friend of mine had a 6.0 with 165 tuner from TSP and idled smooth. It may be the tuner or something with your injector seals or HPOP. If you can detune back to stock or mild tune, try that and see if it smoothes out.
                        I disagree with this. Can you tell us why its not an issue to be considered.

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                        • #13
                          Originally posted by FastCote View Post
                          My truck runs roughly at idle. Is this expected (it is heavily tuned, + 175 HP)?
                          could be early injector trouble... could be tune as mentioned. Either way I would stop burning oil until I found out what it was.
                          2005 6.0l X
                          V3 running 8/6/08
                          40gal frame mounted tank

                          Live by the grease, die by the grease

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                          • #14
                            Not to say water of any sort is not a concern, but the small amount of condesation would be trapped in the donaldson and unless the humidity is near 100%, you shouldn't get much water in your oil.
                            '01 F350, lariat LE, cc, lb, drw, TSP 6pos. chip w/ swamps ss tunes, FF stage 1.5, MBRP 4" turbo back, cooling mist water injection.

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                            • #15
                              Originally posted by greasedltn View Post
                              Not to say water of any sort is not a concern, but the small amount of condesation would be trapped in the donaldson and unless the humidity is near 100%, you shouldn't get much water in your oil.
                              Humidity above 80% is what i consider high and that puts alot of moisture in the air. Where i live we see 85-90% humidity several days of the early summer as well as the early fall and you can bet your going to see some substantial condensation in that kind of atmosphere.

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