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Howdy folks, got a diesel fuel question

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Replies

  • tennmiketennmike Senior Member Posts: 27,395 Senior Member
    If this was back in the 1960's you'd just get a small can of that 'tar like substance' and put it on the threads and screw it in snug. That stuff set up like epoxy, but could be broken loose to disassemble without straining yourself. The stuff hasn't been sold in years due to the fact that it worked and was shade tree mechanic friendly, I guess.
      I refuse to answer that question on the grounds that I don't know the answer”
    ― Douglas Adams
  • rberglofrberglof Senior Member Posts: 2,656 Senior Member

    Permatex® Thread Sealant with PTFE


    Category: Thread Sealants

    Economical general-purpose fitting sealant. Outperforms tapes and pipe dopes. Seals and resists pressure in air, oil, diesel fuel and hydraulic systems. Remains pliable at higher and lower temperatures. Temperature range -65°F to 300°F (-54°C to 149°C); resists common shop fluids.


  • jbohiojbohio Senior Member Posts: 5,572 Senior Member
    edited November 2018 #34
    Blue Monster, like Chris said.  Or, go to the Cat, John Deere, any equipment dealer, really, get a tub of pipe dope.
    Personally, I don't use anything Permatex.  Had too much trouble with it. 
     I use Rectorseal  pipe dope with PTFE.  It's pretty much good with any substance to 20k psi or some such.  And we use a LOT of it.

    Beautiful tractor.  Nicely done.
  • rberglofrberglof Senior Member Posts: 2,656 Senior Member
    edited November 2018 #35
    I have been using Permatex for many years, mostly pipe joint compound. Use it for gaskets seal and no problem taking apart years later.
  • zorbazorba Senior Member Posts: 23,640 Senior Member
    Permatex is da bomb.
    Years back, I was putting in some outside faucets with polyethylene pipe. I've put in hundreds of feet of the stuff in my time. Anyway, there was one barb fitting that just would NOT seal - which happens once in a while. Putting a second hose clamp on it, the usual fix, didn't work either. I took it apart, inspected the fitting. Could NOT see anything wrong with it. So I re-cut the pipe and tried again. No joy. So I said "eff it", glopped it with Permatex, put one clamp on it and no more leak!
    -Zorba, "The Veiled Male"

    "If you get it and didn't work for it, someone else worked for it and didn't get it..."
  • BuffcoBuffco Senior Member Posts: 6,244 Senior Member
    Thanks again, except for coolgunguy.

    I've actually pulled the tank off. Gonna get as much of the rust flake out as i can. 

    It's driving the old woman crazy. Everyone i buy something new, i have to tear it apart. 
  • das68das68 Posts: 662 Senior Member
    edited November 2018 #38
    Buffco said:
    It's driving the old woman crazy. Everyone i buy something new, i have to tear it apart. 
    keep your debit card away from here then;


     

    Buffco said:
    I've actually pulled the tank off. Gonna get as much of the rust flake out as i can.

    erm            same maintenance required.






  • knitepoetknitepoet Senior Member Posts: 21,070 Senior Member
    Buffco said:

    It's driving the old woman crazy. Everyone i buy something new, i have to tear it apart. 
    Changed wives from "she bear" or just changed her name? ;)
    Seven Habits of Highly Effective Pirates, Rule #37: There is no “overkill”. There is only “open fire” and “I need to reload”.


  • RugerFanRugerFan Senior Member Posts: 2,292 Senior Member
    edited November 2018 #40
    Buffco said:
    Thanks again, except for coolgunguy.

    I've actually pulled the tank off. Gonna get as much of the rust flake out as i can. 

    It's driving the old woman crazy. Everyone i buy something new, i have to tear it apart. 
    Put some big rocks in the tank and shake it around. It'll help knock the rust off.

    About once a year I siphon a lot of rust out of the tank on my 8N. I move the siphon hose around to pick up as much as i can. I filter the gas coming out and filter it again when i put it back in the tractor. I should do it more often
  • earlyagainearlyagain Posts: 6,748 Senior Member
    I wonder if anyone would actually buy polymer or aluminum replacement tanks for long life vehicles???
  • zorbazorba Senior Member Posts: 23,640 Senior Member
    I don't know why not - people buy stainless steel exhaust systems for the same reasons.
    -Zorba, "The Veiled Male"

    "If you get it and didn't work for it, someone else worked for it and didn't get it..."
  • GilaGila Posts: 1,828 Senior Member
    I wonder if anyone would actually buy polymer or aluminum replacement tanks for long life vehicles???
    To answer your question with a question, what are the fuel cells on race cars made of?
    No good deed goes unpunished...
  • earlyagainearlyagain Posts: 6,748 Senior Member
    Gila said:
    I wonder if anyone would actually buy polymer or aluminum replacement tanks for long life vehicles???
    To answer your question with a question, what are the fuel cells on race cars made of?
    I don't know. Likely some sort of expensive composit to resist puncture and fire. I think modern cars have polymer tanks, and the trucks I drive at work have aluminum. Cuts down on the rust.
  • GilaGila Posts: 1,828 Senior Member
    For racing applications the tanks are mostly either polyethylene plastic or aluminum.  Steel racing tanks will probably have plastic bladders in them.
    No good deed goes unpunished...
  • tennmiketennmike Senior Member Posts: 27,395 Senior Member
    How well you want to do this tank cleaning depends on what you want to spend. Here's one method that works.

    https://www.por15.com/POR-15-Fuel-Tank-Sealer

      I refuse to answer that question on the grounds that I don't know the answer”
    ― Douglas Adams
  • BuffcoBuffco Senior Member Posts: 6,244 Senior Member
    I wonder if anyone would actually buy polymer or aluminum replacement tanks for long life vehicles???
    And lo, on the 8th day, He commanded that the caliber shall be .45 ACP, and he saw that it was good.

    And on the 9th day, He commanded that Massey Ferguson 135 tractors shall have fuel tanks not made of polymer, nor of aluminum, but that the correct tank shall be made of steel.
  • earlyagainearlyagain Posts: 6,748 Senior Member
    Ah.
    It's an esthetics issue. Very understandable.
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