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Removing undercoating

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  • Removing undercoating

    I am looking for a chemical that can remove undercoating. I have time to let it soak, Is there a chemical on the market I can get from an auto parts store?

    Studebakers forever!
    Studebakers forever!

  • #2
    I scraped as much dry stuff as I could, then misted with diesel fuel. It doesn't quickly evaporate like thinner would, and less issue with volatile fumes.
    "All attempts to 'rise above the issue' are simply an excuse to avoid it profitably." --Dick Gregory

    Brad Johnson, SDC since 1975, ASC since 1990
    Pine Grove Mills, Pa.
    sigpic'33 Rockne 10, '51 Commander Starlight, '53 Commander Starlight "Désirée"

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    • #3
      I use a heat gun to soften it up and scrape it off with a putty knife,easiest way I've used.
      Frank van Doorn
      Omaha, Ne.
      1962 GT Hawk 289 4 speed
      1941 Champion streetrod, R-2 Powered, GM 200-4R trans.
      1952 V-8 232 Commander State "Starliner" hardtop OD

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      • #4
        DIESEL IS MESSY BUT NOT AS DANGEROUS { FIRE , NOXIOUS FUMES } AS THE OTHER OPTIONS W/ CHEMICALS

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        • #5
          It's a dirty job -- but someone's gotta do it. Any way you approach that, it's disgusting; even on a rotisery (spell-czech). About blasting: That won't work -- it'll bounce right back at the blaster. Aircraft stripper will make it go away, but I've had better luck with a BIG rose-bud on a propane bottle, scrapers, etc. That's what I'll do next time as well. Either way, (heat or chemicals) I'd highly recomend usin' a good-fresh organic-vapor respirator.

          I caught a similar discussion on another board I frequent; and someone there suggested that perhaps undercoating would release if frozen. If that experiment panned-out well, I'll git back to yawl. RR

          Faster than a rusting bullet... Gopher Grove, CA

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          • #6
            Nitrogen is an inert gas. It had better NOT be flammable. It's packed in our bags of potato chips to flush out the oxygen and thus prevent "oxidation". And it makes up 80% of the air we breathe.

            [img=left]http://rocketdillo.com/studebaker/misc/images/Avacar-hcsdc.gif[/img=left]DilloCrafter

            1955 1/2 Ton Pickup
            The Red-Headed Amazon
            Deep in the heart of Texas

            Paul Simpson
            "DilloCrafter"

            1955 1/2 Ton Pickup
            The Red-Headed Amazon
            Deep in the heart of Texas

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            • #7
              Apply heat with a heat gun or torch. undercoating softens and will scrape right off.
              64 Champ long bed V8
              55/53 Studebaker President S/R
              53 Hudson Super Wasp Coupe

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              • #8
                I finally used some engine gunk and a electric wre brush to clean up the kingpin, it looked so rusty the other day. I took grease and moves like hot butter. The steering will be a breeze and it's power.

                Studebakers forever!
                Studebakers forever!

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                • #9
                  Just finished a '68 F--d Convertible with factory undercoating. Used a pneumatic scraper then used paint thinner. The scraper I purchased from Harbor Freight several years ago, they no longer carry it. It does a great job on flat surfaces, not as well on the curved metal. The scraper bits can be replaced, so I bought some 1/8" X 1" stock from the local hardware store and made some different shaped bits to go around curved areas. Then use a little paint thinner or laquor thinner and it cleans up great. The last thing we did was use sanding disks to clean up the metal. Try googling "Pneumatic scraper", it will come up with a scraper kit that has several tips for about $35, then you can make your own bits... enjoy...!

                  Buddy...'54 Champion 2dr
                  Warner Robins, GA 31088
                  478-953-3077

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                  • #10
                    use heat and a scraper it takes i little while but works great
                    Kevin Phillips
                    Jacksonville,AR

                    53 commander

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                    • #11
                      Diesel fuel or kerosene will work, but I prefer to try to chip the bulk of it off dry rather than deal with a gooey mess. I just use the solvent after I've got the big chunks off.

                      nate

                      --
                      55 Commander Starlight
                      http://members.cox.net/njnagel
                      --
                      55 Commander Starlight
                      http://members.cox.net/njnagel

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                      • #12
                        In my years of Body Work & Restorations I've found gasket scrapers and putty knives the best, also the colder it is,the better as it comes off cleaner in chunks and pieces than if heated and allowed to get "Gooey" Maine Hawk

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                        • #13
                          quote:Originally posted by Maine Hawk

                          In my years of Body Work & Restorations I've found gasket scrapers and putty knives the best, also the colder it is,the better as it comes off cleaner in chunks and pieces than if heated and allowed to get "Gooey" Maine Hawk
                          In my years of doing the same, I much prefer the heat and scrape method over the cold method. Done a lot of both, always heat it up now-a-days. Any residue can easily be wiped off with rag and thinner of which should be done no matter which method you use.
                          64 Champ long bed V8
                          55/53 Studebaker President S/R
                          53 Hudson Super Wasp Coupe

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                          • #14
                            Avoid volatile thinners and, whatever method you choose, expect to get dirty.
                            "All attempts to 'rise above the issue' are simply an excuse to avoid it profitably." --Dick Gregory

                            Brad Johnson, SDC since 1975, ASC since 1990
                            Pine Grove Mills, Pa.
                            sigpic'33 Rockne 10, '51 Commander Starlight, '53 Commander Starlight "Désirée"

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