Indeed!!

Bit more info...

With regards to ride heights:
Baring in mind the above table...

Factory front = 132 mm +/- 10mm
Factory rear = 153 mm +/- 10mm

First 7500 miles with stock Bilstein's:

Front: 134 mm
Rear: 140 mm

Upgraded Bilstein's (B16 Damptronics) set to:

Front: 119 mm
Rear: 132 mm

After further 3000 miles:

Front: 112 mm
Rear: 128 mm

Reset to:

Front: 117 mm (giving 5mm more travel in the dampeners)
Rear: 138 mm (giving 10mm more travel in the dampeners)

The sagging is worse with stock Bilstein's than the B16 Damptronic kit. I'd say it takes between 3000-5000 miles before the suspension fully settles.
The really important thing is the front to rear ratio as you need to get that nose pointing nicely downwards! I think Chris measured the angle of the car at 1 degree in this regards after we adjusted for the revised factory setting baseline numbers.

I should probably post this chart I compiled in this thread too in order to keep everything together:

 

Wow - I have just been out for a 2 hour spin down some countryside roads and I am delighted to say that sport mode is BACK on the menu!

Now that my Dampeners have been raised up to -15mm from OEM after they spent the last 3000 miles dropping even the Mrs can't believe how much smoother the car is now even over rough potholes at slow speeds!

If you do now find some flat-ish fast roads and engage sport mode then the car immediately sharpens up and leans less through the corners (countering the soft front GMG sways I have set now), all without knocking out your teeth like it use to with the Damptronic kit. ie. it's tolerable again, and not only that, it's fantastic!!

So I repeat once again to anyone who has Bilsteins fitted... After 3-5000 miles go back to your suspension specialist and get them to adjust the dampeners ride height to either -15mm (or I think -20mm would be fine now for those who track a lot). And please please please insist they measure from the Porsche official ride height places under the car (several times for consistency) as described earlier in this thread, and NOT from wheel arches!!

Boy I love my car now!! It is now perfect for me in every way

 

Alex,

Awesome post and info-thank you.

Is it posssile that you could make the "chart" a bit cleaner so I can print this off?

 

Get the non-resized version here:

http://i238.photobucket.com/albums/f...997tt_geos.gif

 

Thanks!

 

Had my final ride height adjustment yesterday (in order to counter the last of the sagging) at Center Gravity.

Ride heights in were measured at:

Front: 115.5 mm
Rear: 135.5 mm

Final settings (shouldn't be any more sagging now):

Front: 117 mm
Rear: 138 mm

As mentioned before, raising the ride height (still aiming at -15mm from stock) increases the dampener travel and gives a smoother, more compliant ride over rough terrain. I test drove the car today and on local (really) bumpy b-roads I was getting an extra 10-20mph, just with an extra 2mm dampener travel!

One of the downsides of raising the car though is that it naturally lowers the amount of negative camber (more = better grip in corners) available to the front wheels especially. However, in the winter months lots of negative camber is pointless anyway. It does mean though that I can get more castor (more = better stability at high speed). So what I lost in front camber I gained in front castor. Of course there is a solution to all of this... GT3 lower adjustable control arms and adjustable thrust arm bushings. About £500+ though for parts. Hmm, maybe if I do some more track days I will go down this route.