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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHRoad Sport Supply (RSS) Tarmac Series Lower Control Arms V. Porsche 996 GT3 LCA - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Leading reported evidence
Install gt3 lca
Performed · outcome unconfirmed
No successful repair reported for this finding.
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0
Unsuccessful attempts
1
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Performed · outcome unconfirmed
I just recently installed gt3 lca with tarret monoballs, and I didn't pick.up any significant extra noise.
Road Sport Supply (RSS) Tarmac Series Lower Control Arms V. Porsche 996 GT3 LCA - 986 Forum - The Community for Porsche Boxster & Cayman Owners
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Leading evidence: 'Install gt3 lca' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'better idea - especially' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Install gt3 lca' (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.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that suspect a cause
1
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Suspected cause
If you are not seeking the very last fraction of performance, then GT-3 arms with rubber bushings are probably a better idea - especially for the street.
Road Sport Supply (RSS) Tarmac Series Lower Control Arms V. Porsche 996 GT3 LCA - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Replace outboard studs
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Suggestion
The solid bearings also mean greater potential shock loads if you hit a curb, and is why RSS recommends replacing the outboard studs on a regular basis, which is kind of a PITA.
Road Sport Supply (RSS) Tarmac Series Lower Control Arms V. Porsche 996 GT3 LCA - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Replace outboard studs
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
The solid bearings also mean greater potential shock loads if you hit a curb, and is why RSS recommends replacing the outboard studs on a regular basis, which is kind of a PITA.
Road Sport Supply (RSS) Tarmac Series Lower Control Arms V. Porsche 996 GT3 LCA - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Reported and suspected causes (1)
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
better idea - especially
No successful repair reported for this finding.
0
Identified cause
1
Suspected cause
0
Reported fixes
Read evidence and context
Discussions that suspect a cause
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suspected cause
If you are not seeking the very last fraction of performance, then GT-3 arms with rubber bushings are probably a better idea - especially for the street.
Road Sport Supply (RSS) Tarmac Series Lower Control Arms V. Porsche 996 GT3 LCA - 986 Forum - The Community for Porsche Boxster & Cayman Owners
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Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
6 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
986Forum: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261027T091508Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Per the title, I am in seek of the forum collective to gain personal insight as to the merit of either/or lower control arms that are listed. From my limited research last night, the RSS LCA's have solid ends whereas the 996 GT3 LCA's have rubber bushings. My lower control arms are due for replacement, therefore, I want to maximize the opportunity to add adjustable lower control arms. As a frame of reference, my vehicle has KW V3 coilovers installed. My vehicle is purely a street car, but I would like to leave the option to track it at some point within the near future.
Thank you in advance for your time + efforts!
I just recently installed gt3 lca with tarret monoballs, and I didn't pick.up any significant extra noise. I don't daily drive mine though.
If I had it to do again I would probably get the elephant lca, I think they are fully rebuildable, and are about equal.in price to gt3 arms + tarret monoballs.
For a non track car I would probably just save the money and get a regular lca
I have the RSS LCA's on both my front and rear suspension.
Up front they serve a purpose of allowing negative camber and caster adjustment, while also providing for solid bearings at all pick-up points.
At the rear, they are not really needed for camber adjustment, but if you add up all the pieces and work to convert an OEM control arm to solid bearings, you might as well just buy the RSS one as a unit, so that's what I did.
I am very happy with mine, as I was seeking the maximum suspension performance, and I am not encumbered by any SCCA rules requiring non-metal joints.
That said, if you are not tracking or auto-crossing, they would be a waste of time and money. The solid bearings also mean greater potential shock loads if you hit a curb, and is why RSS recommends replacing the outboard studs on a regular basis, which is kind of a PITA. If you are not seeking the very last fraction of performance, then GT-3 arms with rubber bushings are probably a better idea - especially for the street.
Camber plates, as another post mentioned, will give you camber adjustment at much less cost. I believe that LCA's with shims have a slight technical advantage over camber plates, but probably no significant difference in the real world.
Good luck.
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