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Lexan Windows on EU spec RS's...?

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Old 02-21-2017, 12:49 AM
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PhilT3 (PT3)
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Default Lexan Windows on EU spec RS's...?

I intend to call Suncoast this week... but I thought I'd post it up as well.

I'm interested in getting the light weight windows the RS gets in Europe.

Is this like the Clubsport roll bar situation... where there is no way to even get the darn parts here in America?

Appreciate the insight...
Old 02-21-2017, 10:14 AM
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997rs4.0
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I would think twice about it. Especially with how much you track your car. Open side windows combined with a plastic rear window?
You might need some of those ugly metal bars running down the middle of the window to keep it in place.
Old 02-21-2017, 10:18 AM
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Haku
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They may also make your car not road legal in the US and hence invalidate your regular insurance.
Old 02-21-2017, 10:37 AM
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Todd B

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Just buy a cup car....
Old 02-21-2017, 10:52 AM
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The other issue, at least for the lexan rear window vs the lexan side windows, is that we run DE here with open windows. In Europe they run with closed windows. Open windows with the lexan rear window will cause it to blow out at higher speeds. Thats why you see race cars with metal strapping over it, to hold them in.

I believe I have read about RS's in the middle east (european spec) being driven over 100mph with the side windows open and the rear window just blow's out
Old 02-21-2017, 12:12 PM
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Rear window blowing out is a joke i imagine? lol
Old 02-21-2017, 12:54 PM
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Originally Posted by Todd B
Just buy a cup car....
Well, that is on the list. Though, that requires other logistics/support/maintenance/cost/etc...I'm not ready for that just yet.

And so I thought I would look into getting closer to how EU spec the RS.

Though, it looks like it may not be a logical choice.
Old 02-21-2017, 12:56 PM
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Originally Posted by mmuller
The other issue, at least for the lexan rear window vs the lexan side windows, is that we run DE here with open windows. In Europe they run with closed windows. Open windows with the lexan rear window will cause it to blow out at higher speeds. Thats why you see race cars with metal strapping over it, to hold them in.

I believe I have read about RS's in the middle east (european spec) being driven over 100mph with the side windows open and the rear window just blow's out
Originally Posted by smookey
Rear window blowing out is a joke i imagine? lol
this is interesting.... how would lexan be more prone to blow out vs glass...?
Old 02-21-2017, 01:55 PM
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Originally Posted by PhilT3 (PT3)
this is interesting.... how would lexan be more prone to blow out vs glass...?
not a joke, the lexan is thinner and flexible. Open windows will cause the air pressure to push it out. You need to strap it in to prevent the bow. Go to a club race sometime and look at the cars in the paddock.

we will never have an EU spec car here, too many regulations that would prevent it from being a street car.

The other knock against lexan is that the windows scratch/haze easily.

Last edited by Todd B; 02-21-2017 at 05:23 PM.
Old 02-22-2017, 01:27 AM
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Originally Posted by Todd B
not a joke, the lexan is thinner and flexible. Open windows will cause the air pressure to push it out. You need to strap it in to prevent the bow. Go to a club race sometime and look at the cars in the paddock.

we will never have an EU spec car here, too many regulations that would prevent it from being a street car.

The other knock against lexan is that the windows scratch/haze easily.
Good insight here, Todd. Thank you.
Old 02-22-2017, 06:19 AM
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I ever drove at more than 250 KM/H without any explosion, and it would never be legal for Porsche to sell a car with such a fragility.

I believe you're speaking of parts which would not be installed in factory...
Old 02-22-2017, 06:28 AM
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250 km/h with a window fully opened? This must be interesting.
Old 02-22-2017, 09:51 AM
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Originally Posted by smookey
I ever drove at more than 250 KM/H without any explosion, and it would never be legal for Porsche to sell a car with such a fragility.

I believe you're speaking of parts which would not be installed in factory...
Not true. I have read of Euro cars having this exact problem with the rear window at high speeds because of the OEM Lexan. It is very possible this could happen due to the wind pressure and the flex of the Lexan.

Personally seen it happen on PCA club racing car when the rear straps failed.

Its part of why the US car's don't have it. It doesn't meet safety standards here, one of which is keeping the window in the car at high speed.

Will it happen everytime you drive at high speed with the windows down, no. But it will happen eventually. Dont believe me? --> https://rennlist.com/forums/997-gt2-...-blow-out.html
Old 02-23-2017, 04:02 AM
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Originally Posted by smookey
Rear window blowing out is a joke i imagine? lol
nope. car in front of me blew out and almost hit me while i was 140mph donw front stright on track
Old 02-23-2017, 07:37 AM
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It's the only part of the CS package I wouldn't want.

In the US anyway as the idiots in charge make use drive with both windows all the way down due to a false imagined added safety. Yup, I want debris flying through my car at 150mph while spinning and hitting things

We have to buy little A pillar spoilers to reduce the buffering or I wouldn't be surprised if even the glass blows out...


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