Question on T3 Headlamps For C2 Vs. C3's - NCRS Discussion Boards

Question on T3 Headlamps For C2 Vs. C3's

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  • Jeffrey S.
    Extremely Frequent Poster
    • May 31, 1988
    • 1882

    #16
    Re: Question on T3 Headlamps For C2 Vs. C3's

    The designation "T3" was a marketing program, just like "Fire Ring" spark plugs, "Turbohydramatic", and "Rocket 88", to give the impression that the technology/safety of Guide headlights was superior to other brands. In fact the tilted and dipped configuration was mandated by the federal government since 1939 when sealed beam headlights were first required. In countries that drive on the left side of the road like England and Japan the tilt is to the LEFT and down. Here is a link to a Wikipedia article that speaks to this. Go to the section on "Regulations and Requirements" and go further to "Compatibility with Traffic Directionality"



    There are many other histories of Guide headlamps and headlamps in general that also speak to this. So Mr. Price is correct that the T3 is the Guide reference to tilted 3 degrees down and to the right.
    Jeff

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    • Ronald L.
      Extremely Frequent Poster
      • October 18, 2009
      • 3248

      #17

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      • Jeffrey S.
        Extremely Frequent Poster
        • May 31, 1988
        • 1882

        #18
        Re: Question on T3 Headlamps For C2 Vs. C3's

        Ron,
        I respectfully disagree with your conclusion. According to the articles and sources I read, ALL sealed beam low beams that were sold in the US were tilted to the right and down slightly to avoid glare to oncoming cars. The tilt is only a few degrees which would not point to ground or into the bushes. High beams in 4 light systems don't. The Wikepedia and other sources all agree on this. I can't say and none of the sources address how alignment tools account for this. I guess we will have to agree to disagree.
        Jeff

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        • Kevin G.
          Extremely Frequent Poster
          • February 1, 2005
          • 1076

          #19
          Re: Question on T3 Headlamps For C2 Vs. C3's

          From my files.

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          • Tom R.
            Extremely Frequent Poster
            • June 30, 1993
            • 4099

            #20
            Re: Question on T3 Headlamps For C2 Vs. C3's

            Originally posted by Kevin Goodman (43429)
            From my files.
            Kevin
            Can I get a copy of that? I've got T3s and have narrowed to the 70-72 period.
            hunt4cleanair@earthlink.net
            Tom Russo

            78 SA NCRS 5 Star Bowtie
            78 Pace Car L82 M21
            00 MY/TR/Conv

            Comment

            • Kevin G.
              Extremely Frequent Poster
              • February 1, 2005
              • 1076

              #21
              Re: Question on T3 Headlamps For C2 Vs. C3's

              Hi Tom, Check your email.

              Originally posted by Tom Russo (22903)
              Kevin
              Can I get a copy of that? I've got T3s and have narrowed to the 70-72 period.
              hunt4cleanair@earthlink.net

              Comment

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