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View Full Version : Lexan window kit for street use


TheCntrion
06-21-2011, 09:52 PM
I am building a 1969 nova for some light autox and pro touring style use. i am doing a lot to lighten the car all around. I want to buy a preformed lexan window kit for all my glass. I have found a few kits that are pre formed and trimmed for use in doors, front and rear glass.

1. Does anyone have advice regarding the idea?
2. Are there safety issues regarding the plastic windshield and large rocks?
3. Comments?

Percy's High Performance 9-01927-33 - Percy's SpeedGlass
http://www.summitracing.com/parts/PHP-9-01927-33/


Harwood 14914 - Harwood Lexan Windows
http://www.summitracing.com/parts/HRD-14914/

Musclerodz
06-21-2011, 11:04 PM
go with percys, you will have to trim front and rear windows for final fit. They are coated so wipers will not scratch them

Ron in SoCal
06-22-2011, 12:25 AM
Hey Mike - Does the Percy's kit have the curvature of stock window? Also, can it be mounted flush stlye like regular glass, without vertical metal straps?

TheCntrion
06-22-2011, 12:46 PM
Any opinions on impact resistance as far as the windshield goes?

Musclerodz
06-23-2011, 01:17 PM
Hey Mike - Does the Percy's kit have the curvature of stock window? Also, can it be mounted flush stlye like regular glass, without vertical metal straps? yes, and the front and rear are suppose to be 1" oversized. you would still have to shim the glass up 1/4" for it to sit flush properly

Musclerodz
06-23-2011, 01:18 PM
Any opinions on impact resistance as far as the windshield goes?I have not heard of any issues. We have run lexan in light airplanes for years, also they percys kits have been well abused in offroad vehicles

vinz68
06-23-2011, 04:35 PM
I have Percy's in my car. I think it's great wipers ,don't affect it. Sometimes I forget it's lexan

Ron in SoCal
06-23-2011, 05:39 PM
yes, and the front and rear are suppose to be 1" oversized. you would still have to shim the glass up 1/4" for it to sit flush properly

I have not heard of any issues. We have run lexan in light airplanes for years, also they percys kits have been well abused in offroad vehicles

I have Percy's in my car. I think it's great wipers ,don't affect it. Sometimes I forget it's lexan

This sounds like a fun experiment! Are there any downsides? Distortion, etc?

Thx for the responses...

vinz68
06-23-2011, 06:13 PM
Mine is clear as glass. The windshield does flex a little at high speeds. Nothing to complain about.

Track Junky
06-23-2011, 09:18 PM
I got my lexan from Clear One. Think its been 6 years now. So far so good and no flex at speeds. It's form fitted but comes 2" oversized. Not sure I would want it on a street car only because I've heard the sun can do a number on it. I dont have wiper blades so I cant comment there and the car gets out pretty much only for track days.

Musclerodz
06-23-2011, 11:10 PM
Mine is clear as glass. The windshield does flex a little at high speeds. Nothing to complain about.

what thickness do you have. I know it comes in a couple of thicknesses

TheCntrion
06-23-2011, 11:41 PM
thanks for the responses guys!

it seems like most people prefer the percy's. They require trimming to fit. I noticed the harwood windsheild and windows can be purchased as an exact fit, no trimming required. I like the sound of that. I am capable of trimming but I would rather save the time for other things. Those harwood windows of course come at a higer cost...

am I missing anything as far as trimming goes? do the cut to fit pieces not fit?

Musclerodz
06-24-2011, 12:34 AM
thanks for the responses guys!

it seems like most people prefer the percy's. They require trimming to fit. I noticed the harwood windsheild and windows can be purchased as an exact fit, no trimming required. I like the sound of that. I am capable of trimming but I would rather save the time for other things. Those harwood windows of course come at a higer cost...

am I missing anything as far as trimming goes? do the cut to fit pieces not fit?

they are left oversize for the customer to fit as needed. it also adds cost when someone else trims to fit. What percy's has over the others is the coatings on them that prevent scratches.

Yenko boy
06-26-2011, 01:24 PM
On average how much weight are you guys with lexan windows installed.

3_z28camaro
06-26-2011, 09:09 PM
An additional question about fitting the lexan flush, once it is shimmed up what do you use to fill the gap between the window and the body? Can some the that weatherstripping stuff that OEM uses be cut to fit?

Also is it possible to have the lexan tinted like the original green?

Track Junky
06-26-2011, 11:44 PM
On average how much weight are you guys with lexan windows installed.

Weight savings is 30 lbs up front, 20 for the rear.

TheCntrion
06-28-2011, 10:33 PM
I just saw this post, It is not a lexan window, but is shows how windows can be fit flush. Also how it is trimmed with weatherstripping. Now I can appreciate the difference between trim to fit and OEM fit. (pics are not mine, Re posted from a different thread)

jamesinark
11-30-2011, 01:17 PM
Where did you purchase the percy's lexan?I was under the impression that the Harwood windows were also coated,but I may be wrong as I looked at quite a few sites and found more than one that was coated.I still haven't found the link.I also think I saw a kit in Summit or Jegs.Can.t remember if one or the other was coated.Any info would be appreciated.

ProTouring442
12-10-2011, 06:57 PM
I have my glasses coated with a "scratch resistant" coating, but I inevitably manage to scratch them at some point, and I am forever scratching my watch crystals, I cannot imagine a plastic windshield and I ever getting along. :_paranoid

Shiny Side Up!
Bill

jamesinark
12-15-2011, 12:51 AM
I know that lexan for the street seems to be a little overboard for some ,but then I also have started to setup a jig to channel the body down over the subframe and the rest of the tube frame as well.I as well the person started this thread may want to lose as much weight up high as we can to lower the C/G.I worked as a aircraft A&P mechanic for quite a few years and am familiar with the problems Lexan presents as well as the advantages it provides as well.I also can scratch just about I own but some of the coatings that are avaailable now are quite capable of holding up for fairly long period of time.They also don't shatter upon impact with debris at higher speeds.I would still like to source a retailer for the Percy's windows.Any one got a link or source they are willing to share?Appreciate it.