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According to the 'Authentic Restoration Guide' by Richard Prince, all 68-82 glass was manufactured by Libby Owens Ford (LOF) and has a two letter code imbedded in the logo representing the month and year of manufacture. Refer to logo example and table below.
Hi 72/86,
Your 68 and 2 69 cars originally had LOF 'Safety Plate' glass with a date from the chart that rmm posted.
The glass in early 71 cars typically also had LOF 'Safety Plate', but later cars, (perhaps after about serial #4500), typically had LOF Safety Flo-Lite glass.
The side windows were typically LOF Safety Flo-Lite for all years. Rmm's date chart also applies for these.
The generally accepted dates for glass is longer than those accepted for the majority of parts…. up to 1 year prior to the car's production.
This date information was part of the mfg logo which was etched into the glass. The other codes indicate and describe the standards that the glass was made to meet. The windshield etching is on the outside of the glass, but is read from the inside of the glass.
The manner and amount tinting in the upper band of the windshield glass is a way that dated replacement glass can be sometimes be differentiated from original glass.
Regards,
Alan
Hi 72/86,
Your 68 and 2 69 cars originally had LOF 'Safety Plate' glass with a date from the chart that rmm posted.
The glass in early 71 cars typically also had LOF 'Safety Plate', but later cars, (perhaps after about serial #4500), typically had LOF Safety Flo-Lite glass.
The side windows were typically LOF Safety Flo-Lite for all years. Rmm's date chart also applies for these.
The generally accepted dates for glass is longer than those accepted for the majority of parts…. up to 1 year prior to the car's production.
This date information was part of the mfg logo which was etched into the glass. The other codes indicate and describe the standards that the glass was made to meet. The windshield etching is on the outside of the glass, but is read from the inside of the glass.
The manner and amount tinting in the upper band of the windshield glass is a way that dated replacement glass can be sometimes be differentiated from original glass.
Regards,
Alan
Just looking at my 69 silver coupe it says:
SHADED
E-Z-Eye
then LOF in a box. And "UL"
Hi 72/86,
I'd like to see the markings but I believe that's a replacement windshield.
The 68-69 windshields that were tinted (shaded) were marked "Shaded Soft-Ray".
In addition, the windshields use during 68-69 production were marked Z (67), X (68), or V (69).
Regards,
Alan
Here's the logo/date from my mid-January 1971 built car.
E-Z-Eye is LOF glass, but it is not OEM LOF glass. It is a replcement LOF windshield, however it most likely has the correct thickness and the correct tint band at the top.
To identify the quality of glass, you definitely have to check out professional help like glass for shop fronts company. I'm sure the professionals like that will be able to help you fast and with the highest quality. I'm sure it will be useful for many people here.
You resurrected a 2 1/2 year old thread for a non sequiter like that? Nobody asked anything about the quality of glass.
Last edited by 62corvette; 05-26-2019 at 08:40 AM.
You resurrected a 2 1/2 year old thread for a non sequiter like that? Nobody asked anything about the quality of glass.
I believe this is another related thread strikes again. Total waste of everybody's time. Threads are outdated and only related in that they have some matching words in thread titles.
At the time, Libby Owens Ford glass company was owned by Pilkington Brothers glass. Most people never heard of Pilkington. During the 60's and 70's they owned almost all the patents for automobile glass. I think Pilkington was later sold to a Japanese glass company. Maybe 6 or 7 years ago, Pilkington had an office in Columbus Ohio that sold window reproductions. I think they may have been exact duplicate windowss. Since Pilkington owned Libby Owens Ford, they embossed their windows with the LOF logos and all the other correct identifying parts. They wouldn't sell 68 Convertible windows since the 69 and up windows would fit with a minor mod to fitting the 69 windows into a 68 regulator. They did add the correct embossing for 68 windows to the 69 glass. I forget the cost, they were expensive. Maybe something like $600 a piece.
........................
Why did I buy new windows? The car had been driven with a factory hardtop. The hardtop chipped the top edges of the glass slightly. Wasn't that noticeable, but bugged me ever since I bought the car in 1974.
Last edited by 68/70Vette; 07-02-2020 at 05:47 PM.
10-20-2016, 10:47 AM
Identifying Original Glass?
