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YOUR RESEARCH996 C4S ride quality / ride height / suspension
Leading reported evidence
Install on the cab only the coupe
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Performed · outcome unconfirmed
Lowered suspension -30mm on C4s was Option X73, but was not officially installed on the Cab only the Coupe.
Leading evidence: 'Install on the cab only the coupe' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check i had mine done about three years ago' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed · Original poster
Since I've had it, I have replaced the following just due to normal wear and tear (mostly all less than 10k miles ago)...
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Suggestion
for a set up check, I had mine done about three years ago.
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Suggestion · Original poster
I'll Speak to Centre Gravity and will check my spring colours when I can get up and in there next time to have a look.
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Porsche Club GB: 1 discussions
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Hi all,
I have a 996 C4S 2004 cab. I've had it for 4 years now but recently thought more and more that the ride is so hard and harsh. It has never been a soft ride as you would expect, but at the moment it feels so hard that it feels like my 40mm lowered Renault Clio from the 90s.
I know the car was tracked at least a bit as I found some gravel in the side pods. Other than that, I know very little about the car before my time. I got it at 79k (now on 96k). The suspension is not obviously aftermarket or lowered and the wheels look nice and cantered in the arches.
I have no knocks or other abnormal noises from the suspension. Since I've had it, I have replaced the following just due to normal wear and tear (mostly all less than 10k miles ago)...
all drop links
front lower control arms
all anti-roll bar mount bushings
outer tie rods
rear lower control arms
So I know hard to determine from a forum post and some photos, but does anyone have any thoughts or knowledge to share that could help me?
Whats the stock ride height so I could check that?
What can I look for to know if they are stock springs or after market?
Anything else I can check or that might cause a really harsh ride?
Thanks in advance
PS excuse how dirty it is at the moment... no water pressure at my new house to wash it with!
Hi Radial
It might be worth a trip to Centre Gravity
https://centre gravity.co.uk/
for a set up check, I had mine done about three years ago. They transformed the ride and handling it felt like a new car even on the dreadful roads in Oxfordshire.
HI Andy
As Andy stated Centre Gravity are one of the best for checking and improving everything with regards to suspension on 996s and well worth the trip,
At 96k your shocks will have deteriorated somewhat so that may be an issue.
Tyre pressures and tyre age has a bearing on things.
Are there any colour code markings on the springs?
Lowered suspension -30mm on C4s was Option X73, but was not officially installed on the Cab only the Coupe.
ROW (not USA) Colour codes for stock springs on C4s Cabs from the info I have are
Front = Pink / Blue
Rear = Blue / Violet.
Good luck
Andy
All excellent advice given and I agree 100%.
Try accelerating hard, does the front of the car feel like it points up and wonders all over the place with you hanging on, or does it feel totally under control? That will be a sure sign of a sagging rear suspension (which as has been said will be par for the course at this kind of mileage)
The shocks can be rebuilt and don't need to be replaced. Center Gravity will have a set in stock on a swap
basis so no need to wait.
