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-   -   Source for Lexan front 1/4 windows (http://forums.pelicanparts.com/porsche-911-technical-forum/1184111-source-lexan-front-1-4-windows.html)

Carrarar 09-24-2025 08:44 AM

Source for Lexan front 1/4 windows
 
Long story short, my 69 outlaw came with carbon outside mirrors which were held by adhesive to the door/window frame. The car had been repainted some time ago and the holes for the original mirror mountings were filled. Going to go with the Achtung-Kraft through-the-glass mirror, most likely on the left side only.

This would require drilling a replacement lexan front quarter window; can anyone suggest a good place to get one that fits properly. For reference, this is the link to the mirror. Comments welcome.

https://achtungkraft.com/products/bullet-mirror-wing-mounts

Helix8 09-24-2025 09:00 AM

https://www.plastics4performance.com/lexan-polycarbonate-windows-and-kits/porsche/911-912

Good selection of thickness, style and tint , if wanted. Least expensive place I found before tariffs though.

TimT 09-24-2025 11:14 AM

Cut your own.. its pretty easy,

Here are some I made for the rear quarters with cut-outs for NACA ducts

http://forums.pelicanparts.com/uploa...1758741131.jpg


http://forums.pelicanparts.com/uploa...1758741131.jpg


http://forums.pelicanparts.com/uploa...1758741131.jpg

Hi_Fi_Guy 09-24-2025 08:33 PM

Since those windows are flat it would be easy to cut your own.

Carrarar 09-25-2025 05:09 AM

Thanks for the responses. Plastics4performance was $127 including shipping and fees, so, with Lexan sheet in the $15-25 range, I will likely go the DIY route. This is for 3 ml thick material. I saw different recommendations online for cutting it, but would appreciate if anyone can suggest best method for this thickness.

dannobee 09-25-2025 12:30 PM

Band saw, and don't take off the wrappers until you're ready to install it. Finish the edges with a sanding block and work up to 1200-1500 grit. It'll leave the edges looking as smooth as glass.

Showdown 09-25-2025 01:10 PM

When cutting lexan or any acrylic, try to go as slow as you can with blade speed else the blade will melt the material. If you can't control the blade speed, cut larger than you need and file/sand to the exact size and as always, wear a respirator.

Carrarar 09-25-2025 02:52 PM

Thanks very much.

Jeff Alton 09-25-2025 07:54 PM

1/4 windows are easy to make. Get Margard MR10 material, won't scratch like typical lexan.

Cheers

jac1976 09-26-2025 04:48 AM

Quote:

Originally Posted by Jeff Alton (Post 12538348)
1/4 windows are easy to make. Get Margard MR10 material, won't scratch like typical lexan.

Cheers

This

jac1976 09-26-2025 06:50 AM

If you decide against cutting your own, check out Race Plastics. Even with shipping from the UK they are half the price of other places.

Carrarar 09-28-2025 02:48 PM

Quote:

Originally Posted by Jeff Alton (Post 12538348)
1/4 windows are easy to make. Get Margard MR10 material, won't scratch like typical lexan.

Cheers

Looks like the way to go!

Carrarar 09-28-2025 02:49 PM

Quote:

Originally Posted by jac1976 (Post 12538433)
If you decide against cutting your own, check out Race Plastics. Even with shipping from the UK they are half the price of other places.

Thanks, looks like I will go DIY route.

TimT 09-28-2025 02:50 PM

Quote:

won't scratch like typical lexan.

Lemon Pledge LOL

Otter74 09-28-2025 06:13 PM

Given the difficulty in finding opening targa vent windows in black, I’m occasionally tempted to cut a Lexan driver’s vent window and put one of these in it so that I can get some direct air flow with the windows closed:

https://www.amazon.com/Rotatable-Motorsport-Aircraft-Ventilation-Replacement/dp/B0DGZTDXPZ?th=1


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