d.

 

Inspect all the bushings for cracks or tears. Get what needs replacing. If you're doing coilovers, that's the best time to do mounts as well as the shocks are quite an involved install. My '09 C2S is at 117k miles and the front strut mounts were creaking and the shocks were showing their wear from a lifetime of daily driving. My bushings all look good but I'm gonna replace them over time. I went with Bilstein B16 Damptronics, Tarett Engineering monoball mounts, and the DSC Sport controller. Car drives beautifully now.

 

I have responded about suspension stuff in a lot of threads but unless you are a DIY type person, I just recommend finding the porsche suspension expert in your area and going over your suspension with them. @scadams set up sounds like a solid formula though.

 

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Front monoball mounts don’t necessarily equate to camber plates. Elephant Racing, for example, sells a monoball cartridge you can use to replace the rubber bushings on the OEM mounts. I just went with front camber plates because I was completely replacing all the mounts. The mounts are direct replacements. Monoballs are harsher, more precise, and more expensive than rubber so if those matter to you they’re worth considering.
My camber plates are in the standard camber configuration. My suspension was lowered just enough to keep the alignment within factory spec. Depending on how low you plan to go depends on if you want to add adjustable components to the list so you can dial the suspension exactly as you want it or keep it within factory alignment specs if that matters to you. Adjustable components greatly increase the cost however. A bump steer kit is one of the bigger considerations when lowering so you can adjust the tie rod angle if necessary but it’s not requisite for all cases.
With regards to other parts, it’s mainly gonna be the condition of the rubber mounts. Inspect them all but lower control arm inner and thrust arm bushings upper control arm bushings, and upper control arm bushings are the first ones I’d look at. If they’re fine, there’s no need to replace them.
Tarett Engineering and Elephant Racing have widest range of suspension components and have suspension builders on their websites that are of great help. There are other suspension component manufacturers like RSS and BBi Autosport that specialize in Porsche that make solid products as well but don’t have as wide a selection as the ones above.

 

Here’s a reference photo of my car as it sits now. Gap is ~1 finger width all around. I didn’t want to go any lower than that because I wanted to ensure alignment would remain within OEM spec, and I’m running spacers (+7mm front / +15mm rear) and didn’t wanna risk any rubbing.

 

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They're both monoball camber plates with no functional difference so go with whichever you prefer.

You're welcome. I'm happy to help.

 

I just upgraded the suspension on my 997.1S 4.0 with the Tarret Club Sport A package with GT3 front and rear sway bars and Ohlins Road and Track coilovers and it is an awesome combination. Done at 100k KM and it’s like a whole different beast.

Have a look at their suspension designer.

 

DSC sport module or contact Tom Chan of DSC He's an expert at Porsche suspension parts.
or contact me at wokeefe2000@yahoo.com. I have the tractive coilovers, and they are stiff.
Bill