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992 GTS - normal PASM and PDCC

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Old Nov 27, 2023 | 07:17 PM
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Default 992 GTS - normal PASM and PDCC

Hello!

I'm new here. I believe you have talked about these topics before. However, I would still like to ask you about the combination of PASM and PDCC.

I am finishing the configuration of a 992 4S GTS with a manual transmission. I have a doubt about the chassis. The sports PASM, which is standard on the GTS, may be too stiff for daily driving. I'm not buying a track car. I prefer a car for enjoying regional roads. So I'm thinking of getting a normal PASM (10mm less ground clearance - like standard 4S). For a more sporty drive and control, I would add PDCC - more roll stabilization to reduce car movement during cornering.

Does this combination make sense to you? Thanks for the opinions!
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Old Nov 27, 2023 | 07:31 PM
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I think you'll achieve more with tie pressure than PDCC. This approach would also save money and complexity. Additionally, tire choice can add to ride quality. Pray to the tire Gods you are gifted with French rubber.
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Old Nov 27, 2023 | 08:14 PM
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If you're concerned with the car feeling too stiff, PDCC might be a good option for you to consider.

Many speak of it as primarily a performance option, and talk about how the 911 doesn't need it because it's already pretty flat in corners, etc. but one can also think of it more as a comfort option, as it will make the car feel a little less stiff / more compliant outside those scenarios when you are aggressively loading the suspension, etc.

It's basically a smart anti roll bar system that tries to support dual-use comfort and performance. Might be up your alley.

I was considering optioning it but didn't want the added weight / complexity / potential for failures.
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Old Nov 27, 2023 | 08:23 PM
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I have a MT C4 GTS and drive frequently on terrible Chicagoland roads even in rush hour traffic and do not find SPASM to be overly stiff FWIW.
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Old Nov 27, 2023 | 08:51 PM
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Isn't PDCC primarily focused on handling (sway modulation) and a softer ride being a serendipitous benefit? What I do know is I drive a GTS without it here in Florida and the ride is suitable for me. If I needed any morre compliance I'd be in to something other thasn a sportscar.
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Old Nov 27, 2023 | 09:07 PM
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Not sure where you live, but if you are trying to soften the ‘hardest’ non-GT 992 then might I suggest a GTS is not the right spec to start with? Spring rates increase progressively from the base to the GTS, so perhaps a Carrera S is a better Goldilocks spec for your needs?
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Old Nov 27, 2023 | 09:16 PM
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Originally Posted by Bne
Hello!

I'm new here. I believe you have talked about these topics before. However, I would still like to ask you about the combination of PASM and PDCC.

I am finishing the configuration of a 992 4S GTS with a manual transmission. I have a doubt about the chassis. The sports PASM, which is standard on the GTS, may be too stiff for daily driving. I'm not buying a track car. I prefer a car for enjoying regional roads. So I'm thinking of getting a normal PASM (10mm less ground clearance - like standard 4S). For a more sporty drive and control, I would add PDCC - more roll stabilization to reduce car movement during cornering.

Does this combination make sense to you? Thanks for the opinions!
Whether something is "too stiff for daily driving" is inherently a personal question that no one here on RL can answer for you.

If possible, find a car with SPASM and test drive it on the roads where you live (find a car either at dealer or maybe even a rental like Turo). But you need to figure this out for yourself.

As to PDCC, it will have little to no effect on ride quality vis-a-vis suspension dampening. PDCC works to stabilize the car along the X-axis, you are concerned more about the car's movement along the Y-axis.

Good luck, and enjoy the new car.
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Old Nov 27, 2023 | 10:07 PM
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I don't have a 4S GTS but I do have a 4S with standard PASM and PDCC and your combination makes perfect sense to me. The car is more comfortable in daily use but also more "on rails" (if you like that sensation and not everyone does) when driving aggressively.
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Old Nov 27, 2023 | 10:40 PM
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GT3 RS are meant to be track car stiff. GTS are not. But as mentioned, one's view of what is too stiff is subjective and no one else can answer that for you. There are people who think an Audi A4 is too stiff but find a Lincoln MK-whatever to be perfect. You need to go drive some cars with the different suspension options and compare.
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Old Nov 28, 2023 | 12:10 AM
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Given the use case and preference you describe, I think the combo of normal PASM and PDCC make perfect sense. PDCC will enhance ride comfort by lessening the roll stiffness when driving straight while still offering flat cornering when driving in a spirited manner.
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Old Nov 28, 2023 | 12:42 AM
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Originally Posted by CanAutM3
Given the use case and preference you describe, I think the combo of normal PASM and PDCC make perfect sense. PDCC will enhance ride comfort by lessening the roll stiffness when driving straight while still offering flat cornering when driving in a spirited manner.
Exactly. People who say it will not enhance comfort are ignoring half of what PDCC does; it's not just throwing a stiffer anti-sway bar on the car. It's meant to serve as a "best of both worlds" technology.
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Old Nov 28, 2023 | 08:28 AM
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Originally Posted by null
Exactly. People who say it will not enhance comfort are ignoring half of what PDCC does; it's not just throwing a stiffer anti-sway bar on the car. It's meant to serve as a "best of both worlds" technology.
Indeed, but its primary aim is to enhance lateral control and compliance and offers little in terms of additional vertical compliance. Also worth noting that to get PDCC you are forced in to RAS and the lithium battery if thats a factor...wouldnt be for me but thats a consideration.

...or so I was told.

Last edited by Vicbastige; Nov 28, 2023 at 08:30 AM.
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Old Nov 28, 2023 | 09:00 AM
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Originally Posted by Vicbastige
Indeed, but its primary aim is to enhance lateral control and compliance and offers little in terms of additional vertical compliance. Also worth noting that to get PDCC you are forced in to RAS and the lithium battery if thats a factor...wouldnt be for me but thats a consideration.

...or so I was told.
That is incorrect. Having softer anti-roll bars allows for “additional vertical compliance” when road imperfections differ on either side on the vehicle, which is the principal occurrence while driving.



Last edited by CanAutM3; Nov 28, 2023 at 09:49 AM.
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Old Nov 28, 2023 | 09:14 AM
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Just get an S and not a GTS
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Old Nov 28, 2023 | 10:46 AM
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Originally Posted by null
Exactly. People who say it will not enhance comfort are ignoring half of what PDCC does; it's not just throwing a stiffer anti-sway bar on the car. It's meant to serve as a "best of both worlds" technology.
right, it de-couples the left from the right hand side. i just watched an old top gear where they compared the ferarri 458 to the mclaren mp4-12c. the mclaren has a similar setup to pdcc and clarkson waxed poetic about how nice it was particularly on a section of track where stig would go off the tarmac.

@Bne i have SPASM with PDCC and daily drive in sport suspension 99% of the time. the ride is anything but harsh. however, as @ipse dixit says, it's very personal.

i wouldnt get a GTS with the raised suspension. that's a waste of a GTS.
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