996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Suspension question

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Old 04-14-2011 | 02:08 PM
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Suspension question

I was told today that Bilstien PSS10 coilovers it's a known thing that they have an issue with breaking drop links as a result of binding and/or not working properly with the factory drop links...

Anyone experienced this or have some info here about this? Any other issues about the PSS10 that you guys have seen or know about. I was under the impression that the PSS10 was a very good setup and was problem and hassle free, and noise/vibration/harhness free (this car will be used 99% of the time on the street)...that's what I am looking for a setup that doesn't give me any issues and works with the car as advertised.

The guy at RSS was trying to sell me on the KW Varient 3 setup, which I heard was good...but it's too $$$ for what I really need I don't need all that jazz, I am just looking for a basic coilover for the street, heck I don't even need damper adjustment really just want basic ride height adjustment, only plan to take it to the track a couple of times a year and only for giving my students rides in an intermediate run group session.

For everything else....I have my race car
 
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Old 04-14-2011 | 02:45 PM
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Originally Posted by sunir
I was told today that Bilstien PSS10 coilovers it's a known thing that they have an issue with breaking drop links as a result of binding and/or not working properly with the factory drop links...

Anyone experienced this or have some info here about this? Any other issues about the PSS10 that you guys have seen or know about. I was under the impression that the PSS10 was a very good setup and was problem and hassle free, and noise/vibration/harhness free (this car will be used 99% of the time on the street)...that's what I am looking for a setup that doesn't give me any issues and works with the car as advertised.

The guy at RSS was trying to sell me on the KW Varient 3 setup, which I heard was good...but it's too $$$ for what I really need I don't need all that jazz, I am just looking for a basic coilover for the street, heck I don't even need damper adjustment really just want basic ride height adjustment, only plan to take it to the track a couple of times a year and only for giving my students rides in an intermediate run group session.

For everything else....I have my race car
I don't know about the drop links but if you go with the PSS9/10 and want them to work properly, make sure they set the ride height according the the instructions. There is only a 10mm range approved by Bilstein and they do not work well when lower very much (i.e. GT2 ride height) due to the bump stop issues. Do a search here on that topic. My RUF/PSS9s were removed for that same reason and I went to H&R coilovers / sways which are set at GT2 ride height and function beautifully. This system is comprised of H&R springs and non-adjustable threaded bilstein shocks. The system is valved very well for the street / mild track duty so there is nothing to screw up by messing with shock adjustment, simple.... I may be wrong but this system is very similar to the GT2 suspension which I believe comes with H&R springs / non-adjustable bilstein shocks. There are no helper springs on the GT2 setup. I have also not had any issues with the OEM drop links with this system. Hope that helps.
 
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Old 04-14-2011 | 03:07 PM
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The stock drop links are a weak link if you plan to track, otherwise they will probably serve your purpose. I went with the TRG drop links and have not had any noise or problems after tracking for 3 years.
 
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Old 04-14-2011 | 09:23 PM
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Originally Posted by landjet
The stock drop links are a weak link if you plan to track, otherwise they will probably serve your purpose. I went with the TRG drop links and have not had any noise or problems after tracking for 3 years.
Agree. Stock drop links break all the time if the suspension has been modded. Bilstein does include longer front drop links with the PPS10 kit. However the stock rears are too short and will bind and break. Careful on were you set the ride height as adjustments to rear camber and toe are limited by the stock eccentrics. Too low and you will wear rear tires out very fast.
 

Last edited by Duane996tt; 04-14-2011 at 09:27 PM.
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Old 04-15-2011 | 10:18 AM
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Yea, that's why the adjustables are superior. You can set them for the suspension and ride height changes that you make instead of a single length drop link trying to compensate for something they weren't made to do.
 
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Old 04-15-2011 | 11:27 AM
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Guys I want to run my factory drop links if possible....this is not going to be a track car, rather something to enjoy on the street and such. I am looking for something that can allow for fine tuning ride height don't care about the ability to adjust the dampers.

In my case do you think H&R coilovers would fit my needs best? Would they be able to run factory drop links? I have a GT2 bar up front (no adjustable single hole on each side) and a GT3 bar in the back (adjustable 4 holes on each side) and factory drop links front and rear...I also have GT3 factory adjustable toe links with the ball joint ends and factory dog bones. I'm fine with the sway bar setup I have, just looking for simple no hassle, no noise or binding, ride height adjustable setup to go with my bars currently...

As for lowering I am looking for 25 3/4 in the rear and 25 5/8 in the front for a very slight rake rear to front, that will leave it drivable in the city and around town...

what do you guys think?
 
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Old 04-15-2011 | 11:38 AM
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Originally Posted by sunir
Guys I want to run my factory drop links if possible....this is not going to be a track car, rather something to enjoy on the street and such. I am looking for something that can allow for fine tuning ride height don't care about the ability to adjust the dampers.

In my case do you think H&R coilovers would fit my needs best? Would they be able to run factory drop links? I have a GT2 bar up front (no adjustable single hole on each side) and a GT3 bar in the back (adjustable 4 holes on each side) and factory drop links front and rear...I also have GT3 factory adjustable toe links with the ball joint ends and factory dog bones. I'm fine with the sway bar setup I have, just looking for simple no hassle, no noise or binding, ride height adjustable setup to go with my bars currently...

As for lowering I am looking for 25 3/4 in the rear and 25 5/8 in the front for a very slight rake rear to front, that will leave it drivable in the city and around town...

what do you guys think?
I run a similar set up, see earlier post. H&R coilovers with H&R sways and stock droplinks and stock dogbones. I do have Tarrett rear toe links. No issues whatsoever, No noise. No bumpstop issues. I am at 25 1/4 front and 25 1/2 rear.
 
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Old 04-15-2011 | 12:40 PM
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I have had consistent problems with my PSS10 and GT3 sways. They rubbed with two different sets of adjustable drop links and just recently ripped the bracket off my front strut.

Getting it looked at now...for some reason the PSS10 and GT3 sway combo has not worked well for me...but somehow most people have not had issues
 
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Old 04-15-2011 | 01:38 PM
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The GT3 sway is for a narrow body car. That may cause the drop links to attach at a different angle on the turbo and put more stress on them. GT2 bar would be better.

The TRG drop links on my car have bent center rods which must allow for a good fit. I have tracked them for 3 years with no noise or problems.
 
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Old 04-15-2011 | 01:42 PM
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Originally Posted by landjet
The GT3 sway is for a narrow body car. That may cause the drop links to attach at a different angle on the turbo and put more stress on them. GT2 bar would be better.
truth is I am not exactly sure what bar it is...The original owner who was the person I bought it from had them on there...the bar is a black adjustable bar with four location holes on each end...? Is that the GT2? GT3? or some other bar I don't know, seems to work very well with the car though for sure...it uses the factory drop link though, non adjustable ball joint style link...
 
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Old 04-18-2011 | 07:50 PM
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Originally Posted by johnselli
I run a similar set up, see earlier post. H&R coilovers with H&R sways and stock droplinks and stock dogbones. I do have Tarrett rear toe links. No issues whatsoever, No noise. No bumpstop issues. I am at 25 1/4 front and 25 1/2 rear.
John that is excellent info...I think your ride heights are spot on for a street car with an nice agressive look without being slammed...

I am glad you are finding the H&R coilover to be working well without hassle or issues for a street coilover I think it's what may be a good option. How's the driveability, handling, and road manners? I've been told by some it's bouncy while others have said it's perfect...any thoughts?

thanks again buddy
 
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Old 04-18-2011 | 09:13 PM
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Originally Posted by landjet
The GT3 sway is for a narrow body car. That may cause the drop links to attach at a different angle on the turbo and put more stress on them. GT2 bar would be better.

The TRG drop links on my car have bent center rods which must allow for a good fit. I have tracked them for 3 years with no noise or problems.
I'm running H&R sway bars for a wide body. No issues upfront with the drop links supplied by Bilstein. The back was the issue of being to short. Just for the heck of it I had the stock one cut and extended then and rewelded. Normal street driving they were fine but broke when pushed too hard. Hence the switch to Tarretts. Although I do get a little noise from them. I'm putting dust boots on in hopes of making it a bit more quiet.
 
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Old 04-18-2011 | 10:34 PM
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Great info, I myself have been looking for this info since I'm debating on what suspension to go with....h&r, pss10 or KWv3.
 
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Old 04-18-2011 | 10:45 PM
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Originally Posted by sunir
John that is excellent info...I think your ride heights are spot on for a street car with an nice agressive look without being slammed...

I am glad you are finding the H&R coilover to be working well without hassle or issues for a street coilover I think it's what may be a good option. How's the driveability, handling, and road manners? I've been told by some it's bouncy while others have said it's perfect...any thoughts?

thanks again buddy
I don't find the car bouncy at all. It feels rock solid with no lean or squat. I think H&R matched the valving perfectly for the spring rates (the springs are H&R and the shocks are Bilstein). It feels very compliant as it soaks up the small bumps nicely but tightens up quickly when pushed in turns resulting in almost no lean (car feels like a go cart). I believe the springs are progressive but don't quote me on that. You don't have the shock adjustability but that doesn't bother me as I wouldn't mess with it anyway since I'm perfectly happy where the factory set it. There is probably a reason why Porsche makes the X73 suspension non adjustable also as they have done their R&D and probably know more about these cars than we do. FWIW, I think H&R makes the coilovers on the GT2 and the shocks are not adjustable also. I've driven several PSS9/10 cars and most of the ones that performed very nicely were those that were not lowered very much and had the height set as per the instructions. The ones that were lowered beyond the approved range had bumpstop issues. In my opinion the H&R's perform better at the lower GT2 ride height than the PSS9/10 but I'm sure I'll be called out on that here on this forum since most people here tend to prefer the Bilstein kits and slam the H&R set up. I'm just stating my experience. I addition, I've had absolutely no issues with the OEM drop links as on the H&R kits the mounting connection for the drop links is via a metal collar attachment that is threaded onto the shock body itself and is thus adjustable up and down. As a result there are no noise issues since you can use the OEM hardware. For a street car and light track duty this set up in my experience works great. FWIW, my car originally had the PSS9/RUF suspension and it was removed and changed out to the H&R set up because the PSS9s didn't perform well at the GT2 ride height. It makes sense because all the factory RUF 996 cars I've seen on the PSS9 suspension sit about an 1" or so higher than GT2 height.
 

Last edited by pwdrhound; 04-18-2011 at 10:55 PM.
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Old 04-18-2011 | 10:50 PM
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johnselli: Is this a off the shelf H&R Coilover kit that like tirerack sells?
 


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