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    View Poll Results: Which windsheild would you use

    Voters
    6. You may not vote on this poll
    • Factory with trim

      2 33.33%
    • Flush mount glass

      4 66.67%
    • Flush mount Polycarbonate

      0 0%
    Multiple Choice Poll.
    Results 1 to 8 of 8
    1. #1
      Join Date
      Sep 2015
      Location
      St Louis, MO
      Posts
      131
      Country Flag: United States

      Polycarbonate vs Glass Windsheild

      I have been looking around at options when I replace my windshield. I really like the idea of a flush mount glass kit for my 79 Trans Am. I have found where people are working on a flush mount glass kit and where a few suppliers make a polycarbonate oversized windshield you can trim for a flush mount application in 1/8", 3/16", and 1/4". It appears that the glass kit will be around $1500 for front and rear. The Polycarbonate option is about $940. Can anyone weigh in on the advantages and disadvantages of trying to use the Polycarbonate set up on a street driven car?

    2. #2
      Join Date
      Nov 2012
      Location
      Sacramento, CA
      Posts
      1,918
      Country Flag: United States
      Polycarbonate/Lexan will scratch easier & become hazy/yellowish over the years of outside exposure. In racing, our cars are only in the sunlight 20-40 days a year, and we replace them every few years.

      Of course, it is much lighter, provides better safety protection from impacts, is easy to work with & costs less.

    3. #3
      Join Date
      Sep 2014
      Location
      Sun City West, AZ
      Posts
      672
      Country Flag: United States
      Only a DOT approved safety glass windshield is legal for a public highway.
      --
      Kenny Mitchell
      [email protected]

    4. #4
      Join Date
      Sep 2015
      Location
      St Louis, MO
      Posts
      131
      Country Flag: United States
      I was not to worried about DOT approval. I live in rural IL where we don't have any required inspections and I doubt most of the law enforcement would be looking for a dot tag on the glass lol. I can see the becoming hazy/yellowish over time would be a big issue as I plan to drive the car a lot. It is not cheaper to put in the Poly if you have to keep changing it out. I would really like the look of the flush mount but it appears to be a luxury that I will not be able to afford any time soon. Back to stock glass and window trim for now.

    5. #5
      Join Date
      Dec 2010
      Location
      Fredericksburg, VA.
      Posts
      3,155
      Country Flag: United States
      Polycarbonate should not be used on the street!
      Steve Hayes
      "Dust Off"
      68 Camaro

      Given sufficient initial acceleration, even pigs can fly!

    6. #6
      Join Date
      Feb 2019
      Location
      Kankakee IL
      Posts
      362
      The only polycarbonate good for long term use in your situation would be one with a silica coating which makes it far more scratch resistant.
      Tracey

    7. #7
      Join Date
      Aug 2007
      Posts
      645
      I used to work in the custom packaging machine world and we had clear "Lexan" guard panels and we always used the scratch resistant Lexan. Even though they were scratch resistant clean them without some type of liquid and they would scratch in a second.

    8. #8
      Join Date
      Apr 2016
      Posts
      68
      Pledge furniture polish will retard the yellowing for a while...







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