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53' Stude rear window laminated?

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  • 53' Stude rear window laminated?

    Hello, Wondering if the stock rear window in the 53' C and K bodies was laminated or just tempered. I don't see any markings on it (our Salt2Salt racer). A new rule says that it must be laminated or film placed on inner and outer surfaces. Assuming if there are no marks, I'll have to put on film unless I can prove it some other way..... Maybe the marks are under the inspection stickers on the bottom, driver's side?
    Thanks in advance
    Greg
    http://salt2salt.com racing a 53' Stude on the salt.
    http://tribaker.wordpress.com building a 37' Stude boat-tailed speedster 3-wheeler
    http://turbostude.com building a 50' bullet-nose with a turbocharged stude flathead six (site under reconstruction)
    sigpic

  • #2
    DOT Codes? HA!

    It's all Laminated, an original glass would say PPG Duplate or some patented Co. name for their Laminated Glass.

    Did ANY car have Tempered before about 1960? Studebaker started using it only on side glass in 1963.

    DOT codes were not used in the 50's or '60's. Someone must have written these rules for 2000 era cars, can you say N/A?

    Sounds very much like these 20 something, Law Enforcement people wondering why there are no side view mirrors or shoulder harnesses/seat belts in early 60's and older cars!

    If you have some kind of stickers on the outside of your backlight, couldn't you shine a light on the outside and read the watermarks from the inside?
    StudeRich
    Second Generation Stude Driver,
    Proud '54 Starliner Owner
    SDC Member Since 1967

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    • #3
      The rears are tempered glass, have had more than one blow up in to small pieces, the film is easy to work with and really is good stuff, they use it in the building trades to put over tempered glass...Bob
      Candbstudebakers
      Castro Valley,
      California


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      • #4
        Any tempered glass will show a set of heat patterns, when you look at it, wearing a pair of Polaroid sunglasses. Laminated glass will look different.
        64 GT Hawk (K7)
        1970 Avanti (R3)

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        • #5
          You can also look for the designations AS 1 & AS 2. If my memory is right AS 1 is laminated used in windshields (called windscreens in most parts of her majesties empire) and AS 2 in the other glass. I think AS 2 was required back in the 30's to avoid injury from the glass breaking in large jagged points and instead breaking up into the thousands of small chunks. One should be able to find the designation on the bottom line of the eching with the manufacturer & date codes.
          59 Lark wagon, now V-8, H.D. auto!
          60 Lark convertible V-8 auto
          61 Champ 1/2 ton 4 speed
          62 Champ 3/4 ton 5 speed o/drive
          62 Champ 3/4 ton auto
          62 Daytona convertible V-8 4 speed & 62 Cruiser, auto.
          63 G.T. Hawk R-2,4 speed
          63 Avanti (2) R-1 auto
          64 Zip Van
          66 Daytona Sport Sedan(327)V-8 4 speed
          66 Cruiser V-8 auto

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          • #6
            Originally posted by StudeRich View Post
            It's all Laminated, an original glass would say PPG Duplate or some patented Co. name for their Laminated Glass.

            Did ANY car have Tempered before about 1960? Studebaker started using it only on side glass in 1963.

            DOT codes were not used in the 50's or '60's. Someone must have written these rules for 2000 era cars, can you say N/A?

            Sounds very much like these 20 something, Law Enforcement people wondering why there are no side view mirrors or shoulder harnesses/seat belts in early 60's and older cars!

            If you have some kind of stickers on the outside of your backlight, couldn't you shine a light on the outside and read the watermarks from the inside?
            Rich, the rear windows are tempered glass, and if it was supplied by PPG it will read 'Herculite'.

            http://www.glasslinks.com/newsinfo/a..._types1957.htm

            Craig

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            • #7
              Thanks guys,
              On goes the film......
              Greg
              http://salt2salt.com racing a 53' Stude on the salt.
              http://tribaker.wordpress.com building a 37' Stude boat-tailed speedster 3-wheeler
              http://turbostude.com building a 50' bullet-nose with a turbocharged stude flathead six (site under reconstruction)
              sigpic

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              • #8
                Dunno if many remember, but in the early '50s, there was a real prob with Herculite EXPLODING. Many rear glasses in many cars, including Studebaker, just exploded from--it was assumed--heat, but as far as I know, this was never actually confirmed. Does anyone remember this phenomenon?

                John

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                • #9
                  My bodymans '56 Olds has tempered front and rear, which is a huge problem for him wanting to chop the car

                  I remember a gal I used to hang with in high school [ read that as 1960] whose Plymouth Valiants rear glass exploded one 90 degree summer afternoon

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                  • #10
                    In response to Johnny's point, my 68 Volvo 144 rear window exploded. Winter (below freezing) parked the car after a warm interior ride, windows rolled up, boom!
                    Dave Warren (Perry Mason by day, Perry Como by night)

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