The 997 Turbo bi-plane spoiler
#1
The 997 Turbo bi-plane spoiler
Hi Guys - the town where I live, you rarely get to see a Porsche, let alone a turbo.
So I have a question, the rear spoiler extends automatically at 80 mph? Also how high does it go (in height) when its fully extended?
Thanks
So I have a question, the rear spoiler extends automatically at 80 mph? Also how high does it go (in height) when its fully extended?
Thanks
#5
Chris is correct.
The hydraulic lifters are different for the cab versus the coupe. At the factory or dealership, when the hydraulics are bled during installation, the service manual has a specific installation height +/- a few mm, in which you elevate and drop the pump pressure by pressing the spoiler button. When the spoiler is deployed, you bleed the Pentosin and drop the height to the appropriate level and lock the bolt.
If the OP wants to know the exact height, I can look them up from my service chapter at home.
The hydraulic lifters are different for the cab versus the coupe. At the factory or dealership, when the hydraulics are bled during installation, the service manual has a specific installation height +/- a few mm, in which you elevate and drop the pump pressure by pressing the spoiler button. When the spoiler is deployed, you bleed the Pentosin and drop the height to the appropriate level and lock the bolt.
If the OP wants to know the exact height, I can look them up from my service chapter at home.
#7
Chris is correct.
The hydraulic lifters are different for the cab versus the coupe. At the factory or dealership, when the hydraulics are bled during installation, the service manual has a specific installation height +/- a few mm, in which you elevate and drop the pump pressure by pressing the spoiler button. When the spoiler is deployed, you bleed the Pentosin and drop the height to the appropriate level and lock the bolt.
If the OP wants to know the exact height, I can look them up from my service chapter at home.
The hydraulic lifters are different for the cab versus the coupe. At the factory or dealership, when the hydraulics are bled during installation, the service manual has a specific installation height +/- a few mm, in which you elevate and drop the pump pressure by pressing the spoiler button. When the spoiler is deployed, you bleed the Pentosin and drop the height to the appropriate level and lock the bolt.
If the OP wants to know the exact height, I can look them up from my service chapter at home.
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#8
Just looked at the manual online. It says it extends at 75mph, but I also remember reading somewhere that it is 77mph. I know mine does it at 77mph. And it doesn't say how much it extends, but the earlier post was right about the cab extending more than the coupe.
#10
OK, so the obvious question is, does the bigger gap create more or less down force?
You'd think that couple would have less drag and require more down force?
You'd think that couple would have less drag and require more down force?
Last edited by number 3; 02-17-2011 at 08:42 AM.
#11
My guess is the bigger gap causes a more down force, and thats why the cabriolets need it because the coupes are balanced with the roof weight, and minus all the opening mechanisms the cabriolets have that little extra down force can help keep that TT stable at speed.
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