Rear spoiler over the engine - when does it deploy?
My 2015 911 has a rear spoiler over the engine that is totally impossible to ever see while driving if it is deployed or not. I can check that it does work when parked if I deploy it on purpose. But it is total faith that is has deployed during driving. If it has deploys automatically, there is no way that I found to determine what position it is in. I also couldn't find any information about what speed is it suppose to deploy, and what speed is it suppose to close. Does anyone know some of this information?
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Depending on the vehicle speed and the position of the slide/tilt roof, the rear spoiler extends automatically at above approx. 75 mph (120 km/ h) and retracts again below approx. 50 mph (80 km/h).
If you have a sunroof (and its opened), the spoiler deploys at an even greater angle. You can barely see the top edge of the deployed spoiler in your rear view mirror. http://www.porscheownersmanuals.com/...ting-principle |
As “dux” discussed, when engaged automatically, the rear spoiler obscures the bottom edge of view from the rear view mirror.
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I have never checked my 991, but on my 997.2 I actually had my young son ride in the back seat and watch, and tell me when it went up (120 km/hr) and down again at 60 km/hr
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it is a lot easier to see it on 997, but not 991. but if you move up a little you can see the upper edge.
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Best way to see it is very late afternoon with the sun at your 3 o'clock low. Look at the shadow of the car at your 8 o'clock low. Easy to tell when deployed. Don't forget to check your 12 often!
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I only bought my 991 2CS because I could see the spoiler go up and and up again and down too! If you have a cab, you need someone following you with a camera.
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It will trigger a dash light if it does not work.
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Originally Posted by chuckbdc
(Post 4672293)
I only bought my 991 2CS because I could see the spoiler go up and and up again and down too! If you have a cab, you need someone following you with a camera.
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On my 991S, I couldn't see it even if I sat up in my seat...with the GTS, I can see it deployed at the lowest angle. Maybe due to the wide body?
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Originally Posted by chance6
(Post 4672991)
On my 991S, I couldn't see it even if I sat up in my seat...with the GTS, I can see it deployed at the lowest angle. Maybe due to the wide body?
I believe that in the GTS the spoiler always deploys in the higher position that mine (C2S with SPASM) goes to when the sunroof is popped. |
Originally Posted by dux
(Post 4668730)
If you have a sunroof (and its opened), the spoiler deploys at an even greater angle.
You can barely see the top edge of the deployed spoiler in your rear view mirror. http://www.porscheownersmanuals.com/...ting-principle I have tried many angles with my exterior and interior rear view mirrors and have yet in 5 1/2 years ever seen my spoiler ever go up or down automatically. |
Originally Posted by cfpchfc1
(Post 4672897)
Better view on a Turbo 991 :D:D
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