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Vehicle undercoating recipe

Discussion in 'The DIY Room' started by Loon, Jun 22, 2015.

  1. Loon

    Loon

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    Gonna spray the cars and truck this week and have some hydraulic fluid, was wondering if anyone has any other ideas that I could add to it? or just use it by itself?
     
  2. Well Seasoned

    Well Seasoned Administrator

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    My grandfather used to have a large hole on a field he would drive his pick up truck over and park it. He would go underneath and coat everything with oil. Then he would drive around in the field, kick up dust, ands this coating would harden and protect the underneath.
     
  3. Canadian border VT

    Canadian border VT

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    loon, uncle used to mix with used motor oil.. I was a kid do not know why.. he always said to wash it first to get stuff off.
     
  4. Loon

    Loon

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    Good stuff guys and washed it yesterday VI. Ended up I am mixing hydraulic oil and heavy chainsaw oil. Will see how it go's this afternoon? :yes:
    There's a pit in one of the garages over on the farm, so should be quite easy.:)
     
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  5. bassJAM

    bassJAM

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    I've heard of people mixing hydraulic oil with diesel fuel to thin it and running it through a paint sprayer.
     
  6. smoke show

    smoke show

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    X2
     
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  7. blsnelling

    blsnelling

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    I would hate to work on these vehicles!
     
  8. Norky

    Norky

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    I like the idea of coating it and getting dust on it. Maybe find a gravel road to drive on after you coat it. Use a garden sprayer and coat the heck out of it.
    I save old motor oil and use it for lots of things. It will make old used pressure treated lumber good as new, maybe better.
    It's like renewable resources and stuff, right?
     
  9. MasterMech

    MasterMech The Mechanical Moderator

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    We always just applied a 2 stage coating to all the farm trucks. 2 parts mud to 1 part cow chit. Never seemed to have any trouble keeping the underside covered and the coating ALWAYS out-lasted the truck.
     
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  10. Loon

    Loon

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    Went well but big time messy with the paint sprayer.Should buy a face mask but I know I wont.:doh::rootintootin:

    Got the truck done and the little car and gonna do a couple more tomorrow.

    [​IMG]

    [​IMG]
     
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  11. brenndatomu

    brenndatomu

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    We get our vehicles oil sprayed by a local guy that does it for $40 per car/van/pickup. He buys barrels of an oil made for this purpose. I can't remember the name right now, something weird. It seems to be more "clingy" than motor oil but not sticky like bar oil. Kinda surprised that the EPA allows this product to be made for this and applied on vehicles since it drips for a couple weeks after.
    I buy used vehicles from southern states and oil spray them, actually wear out instead of rust out like normal around here.
    If I were gonna do it myself I would use the garden sprayer as suggested before. Finding a dusty dirt road/driveway afterward is a good idea too, makes a nice "grease" layer
     
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  12. wildwest

    wildwest Moderator

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    And all those years I drove older vehicles with oil coated engines caked with dust (valve cover gaskets and dirt road) I thought they were considered dirty :rofl: :lol:

    Seriously, should I have NOT taken throught the gas station car washes with undercarriage sprays?
     
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  13. rookie1

    rookie1

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    I have talked with the mechanic at Orrville last year and he said the city gets their vehicles sprayed by a "guy". The vehicles seem to last longer since sprayed. My wifes uncle used to mix 90 weight and tranny fluid half n half and warm it so it got into all the cracks.
     
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  14. brenndatomu

    brenndatomu

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    That is exactly who told me about "the guy". And yes, their salt trucks are holding up much better now.
    I suppose almost any type of oil sprayed on is better than none at all
     
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  15. wildwest

    wildwest Moderator

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    Is liquid calcium used out there?
     
  16. rookie1

    rookie1

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    Boy that mechanic must really get around!
     
  17. cnice_37

    cnice_37

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    Fluid film I would think is the modern day EPA approved stuff to use. I won't tell on ya if ya mix diesel and ATF.
     
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  18. rookie1

    rookie1

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    Ya. Not at all cities but it is around.
     
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  19. brenndatomu

    brenndatomu

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    Well, actually he kinda does, but for me he is a co-worker...
    Some places yes, some no, but most or maybe all state highways get it at times. I think LC was invented and is subsidized by the auto makers! :D
    Liquid weight loss for your car! :hair:
     
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  20. rookie1

    rookie1

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    Lol. It's a small world. I see him in Columbus once a year for training for working on fire trucks.