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Donaldson Filter after 3500 miles

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  • Donaldson Filter after 3500 miles

    Here is a pic of the Donaldson filter after 3,500 miles of vegie. I don't think this will be typical of everyones filter (my oil is very clean) but I wanted to take a look at it. The metal you may see came from me cutting the housing off. I also drained the oil to see if it would pass a hot pan test...and it did. As you can see on the last 2 pics the only crud is around the interior metal base. I did the HPT because I had read that the donaldson will catch some of the water. I am gong to wait until the green light starts flashing on the next filter then take a look at it.







    Last edited by triplemoutdoors; 08-23-2008, 09:03 PM.
    2000 F250 7.3L
    Vegistroke installed July 12, 2008

  • #2
    That looks pretty good to me. you could probably easily double the miles the way it looks I think I'll do that to mine when I change it.
    Elvia the HandyMan
    2000 F350 7.3 XL Dually utility/service truck
    V3 March 2008

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    • #3
      I'm thinking about waiting until the little green light starts flickering before I change it.
      2000 F250 7.3L
      Vegistroke installed July 12, 2008

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      • #4
        Originally posted by triplemoutdoors View Post
        I'm thinking about waiting until the little green light starts flickering before I change it.
        I just changed mine with about 3,500 on it too. I've got a pressure gauge on my fuel line and my veg usually runs about 75. I saw it drop to 50-55 and decided to changed the filter. The light stayed green and never flickered. I'd be interested to know how far you go before your light starts to flicker.
        2002 F250 7.3

        If it walks like a duck.....

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        • #5
          Originally posted by Allofus123 View Post
          I just changed mine with about 3,500 on it too. I've got a pressure gauge on my fuel line and my veg usually runs about 75. I saw it drop to 50-55 and decided to changed the filter. The light stayed green and never flickered. I'd be interested to know how far you go before your light starts to flicker.
          Be sure to check the prefilter screen for debris befire waisting a perfectly good donaldson.
          I can get 8000+ miles out of one with my filtering technique. I'm trying to see if i can increase that but i just found a place that sells the donaldsons for 11.00 so for that price, i think 8,000 miles is plenty good.

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          • #6
            Originally posted by CHenry View Post
            ...i just found a place that sells the donaldsons for 11.00 so for that price, i think 8,000 miles is plenty good.
            Is this place somewhere you can order off the web?
            2000 7.3 F-250 w/ V3

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            • #7
              Heavy truck repair shop

              I get mine $10,when i buy 6,$9 when i by 12.I know a few of the boys from a few good hd truck shops and International shops.These guys can your your best resource for bulk deals..........grease out
              2000 7.3X V3 So much fun,so little time,Support small Oil,burn WVO,Free and greasy down the road I go!!!!!!!!!!completely self sufficient and proud of it. (Wood furnace.....X.......solar pontoon....solarsheat twins this summer.....I don't Know much.......I'm just a hillbilly with too many guns..............

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