cracked window 39 coupe

[oswego37]

I just discovered the driver's side window in my 39 coupe is cracked. Do I need to use glass setting tape when I replace it? Thickness? Any other comments on the replacement procedure are welcome. Thanks, Ernie

[Kube]

Originally Posted by oswego37

I just discovered the driver's side window in my 39 coupe is cracked. Do I need to use glass setting tape when I replace it? Thickness? Any other comments on the replacement procedure are welcome. Thanks, Ernie

Yes, you need tape.
Thickness is determined by measuring the width of the channel, subtracting the thickness of the glass and dividing that number in half.

[19Fordy]

Restorations Specialties sells glass setting tape on page 37 of their catalog.
Takes a couple of minutes top download.
https://www.restorationspecialties.c...talog_RSSI.pdf

[tubman]

As an aside, I have found Restoration Specialties to be an excellent resource.

[fordor41]

when replacing the flat glass in our '41, I found the glass from our local auto glass shop a bit thinner than the original

[oswego37]

Sponsored Links (Register now to hide all advertisements)

thanks for the feedback, especially the part about the new glass thickness

[Kube]

Originally Posted by fordor41

when replacing the flat glass in our '41, I found the glass from our local auto glass shop a bit thinner than the original

Exactly! That's why I posted the formula for figuring out the tape thickness.

[hotrodart]

Maybe you should also figure out why the glass cracked and fix that also......or get an extra when you buy the new glass.

[19Fordy]

Is 1939 glass the same thickness as 1940? My 1940 glass is 1/4 in. thick.

If so, here's some info. from HAMB.
https://www.jalopyjournal.com/forum/...glass.1201339/

Here's more glass tape info. from Fordbarn.
https://www.fordbarn.com/forum/showt...s+setting+tape

[corvette8n]

When I replaced the vent window on my ‘41 I set the glass setting tape in the sun for a few minutes it made it nicer to work with, I thought the job went very easy.

[Kube]

Originally Posted by 19Fordy

Is 1939 glass the same thickness as 1940? My 1940 glass is 1/4 in. thick.

If so, here's some info. from HAMB.
https://www.jalopyjournal.com/forum/...glass.1201339/

Here's more glass tape info. from Fordbarn.
https://www.fordbarn.com/forum/showt...s+setting+tape

Originally, the glass was a nominal .250". Today, I believe it is measured by metric. As such, most i have witnessed is near .234".

[19Fordy]

Kube: Thanks for that info. about "today's" measurements. I didn't know that.

[Kube]

Originally Posted by 19Fordy

Kube: Thanks for that info. about "today's" measurements. I didn't know that.

Ran in to this a number of years ago. Side (quarter) glass would not draw up nicely. That's when I measured....

[Ken/Alabama]

Make sure the channel that the glass fits in is straight without any bends. Otherwise you’ll wind up with another cracked glass.

[fordor41]

Originally Posted by Kube

Exactly! That's why I posted the formula for figuring out the tape thickness.

So what if he measured the stock glass and bought new tape & THEN discovered the new glass was thinner? Thought a heads up would help. sorry for trying to help!

[J Franklin]

Here is what I do. I take the old glass and the channel to the glass shop and let them cut and reset the new in the channel. Why worry about doing it yourself?