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Bilstein Part Numbers anyone?

Now compare the above with a 964 RS shock. You will notice the piston is much smaller in diameter and also note the end cap design. Notice the way the shock body dimples inwards, i would guess it would be impossible to remove the piston from the body due to the deformation of the shock body hence the reason they cant rebuild them!! The cup single tube design is stronger by virtue of the bigger diameter piston and therefore more suitable for racing ! The struct insert can be removed completely from the body of the shock making them easily rebuildable. Both Front designs are green coloured !!!

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Thanx for sharing, Laurence, well done. I was thinking how to point out that the Cup front shocks are really different from the RS shocks - now you´ve done the job.

It would be interesting to know, how many miles of use the shocks can stand before a refurb is necessary. (Use in anger that is)

I have 41,000 km on my Cup car now and a refurb seems to be due now, maybe due for a while, I just got used to it. The Cups always had a way too high rebound rate, which causes trouble as soon as the surface is not billiard table smooth. So, also for a Cup, which is not used for trackdays and similar events only, an alternative makes sense. As Charles said, they are a nightmare on the road.

Ref. RS - for sure there are a lot of RS drivers out there with experience e. g. with the WR kit by Bilstein or KW or whatsoever - I guess (no personal experience) that the WR kit could be great for a car, that is used on the roads also.


Rgds,

Hacki
 
Just my own opinion and others will likely disagree on this. Shock aborbers(dampers) either work or they dont! Failure mode being they no longer provide damping action or they leak. The age old one bonce rule being crude but relevant. Of course there is a whole world in between working and failed, you could class as out of tolerance or worn. You can get your shocks tested but it's not an easy or cheap thing to do. They could then fail the next day!
I would love to see a test back to back with "worn" against "new" with real world drivers. I wonder if they could tell?
 

ORIGINAL: Laurence Gibbs

I would love to see a test back to back with "worn" against "new" with real world drivers. I wonder if they could tell?
Click to expand...

I know from the 997 Cup car that the professional drivers can feel the difference between worn and new very well.
 
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