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lexan rear window

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Old Nov 15, 2008 | 06:16 PM
  #1  
EchoMirage's Avatar
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From: VA
Car: 87 IROC
Engine: 383
Transmission: T5
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lexan rear window

has anyone done a lexan rear window? any kits or write ups on it? i need to remove all glass for my road race series, but id like to maybe keep the hatch and have lexan instead of glass. anyone?
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Old Nov 15, 2008 | 07:50 PM
  #2  
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: lexan rear window

There are kits available but I have no idea how they work. I did mine as a non show car, race only swap.

I cut out the seal lip and slid the Lexan under the body skin then secured it with plates riveted through the body skin. Close up you can see a few of the rivets around the window.

I made supports on the rear roll cage tubes to help hold the Lexan up. At the rear is some aluminum channel that the Lexan slides into. Because the window is under the body skin, no air can get underneath it.

I then fabricated a sheet of aluminum as a deck lid which covers the aluminum channel. The deck lid is attached with Dzus fasteners in case I need to access the battery.

Because the rear window doesn't have a frame, the Lexan will need to have some way to keep it's shape if used as a direct replacement. You would need an oven big enough to put the whole sheet in to mold it into the proper shape. My rear window is 1/8" thick which is very easy to bend but offers no support.

The back window and deck lid are very heavy but it also puts weight over the rear wheels. Changing it to Lexan makes a nose heavy third gen even more nose heavy.

Here's a complete premolded window kit. It's only $1100. The unmolded kits are $490
http://www.jegs.com/i/Percy%27s/760/01137-22/10002/-1
http://www.jegs.com/i/Percy%27s/760/8-01137-22/10002/-1
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Old Nov 15, 2008 | 08:03 PM
  #3  
EchoMirage's Avatar
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Car: 87 IROC
Engine: 383
Transmission: T5
Axle/Gears: no idea
Re: lexan rear window

the rules for the road race series im in call for no glass at all......so there wont be glass over the rear anyway. theres no way im paying that much for it either way. thats more then the car cost. i may try and do something myself
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Old Nov 15, 2008 | 08:35 PM
  #4  
AlkyIROC's Avatar
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Joined: Jul 1999
Posts: 17,263
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: lexan rear window

Find a notch back. There's actually one on Ebay with a starting price of $100

http://cgi.ebay.com/ebaymotors/82-92...Q5fAccessories
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Old Nov 17, 2008 | 02:04 AM
  #5  
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From: Lapeer, Michigan
Car: Mazda Protege5
Re: lexan rear window

just a heads up on the notch. it is heavier then the glass hatch. i have one im looking to get rid of if your interested.
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Old Nov 26, 2008 | 01:09 PM
  #6  
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: lexan rear window

Try these guys.. We use them
http://www.proglasswindows.com/
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