Hello,

So I'm going to be taking the stock wheels off this week in order to change brake lines and also, going to send the wheels to a shop to paint the stock Silver lip around them.

Anyways, I have a 2012 Turbo S with Centerlock wheels.

Pretty much what I would like to know is;

Once I'm ready to put them back on, are there any special instructions? I searched before posting this and some people say it's good to tighten them up and then loosen them again and then tight back up?

Also, I tried searching, for normal driving, though not city driving but hard'ish road driving, what should I tighten them up to? 370 LB tq?

Thank you very much!

 

How did your search not turn up the "sticky" on the first page of the 997 Forum that deals specifically with CL wheels?? Try there.

 

Probably because I tried searching the 997 Turbo forums only.

Thanks.

 

CL are a BIG source of concern for many GT owners.
Read and following Porsches directions carefully and if in doubt contact your dealer.

 

Also, if you are having the centers painted or powder-coated, make note that you may need to re-torque after a few miles. The paint/powder under the lugs (or in this case, lug singular) tends to compact and then they need to be re-torqued to stay locked down.

 

Where do you guys send your wheels for powder coating? Any reputable shop? Most powder coating processes will weaken the wheels right?

 

Owning a 12' Turbo S myself with CL wheels what exactly are you painting on the wheel lip. Can't quite picture it. Just curious.

 

We use a powder-coating shop up here in Washington for any wheels we do. You do need to watch out for coating some of the light-weight cast wheels since the heat can weaken the alloy. For situations like that, painting is a better option.

 

My stock wheels are black, and they have the a small lip sort of thing in Silver which looks terrible.

My car is white and that silver lip looks white, so It's like a white circle that matches the car on every wheel.

 

As I understand it, cast wheels don't have a problem with powdercoating. The reason for this is the sand-casting or investment casting process uses high temperatures to begin with, so there's no issue with the aluminum metallurgical structure changing under powercoating conditions (I'm told typically 300-600F).

What is a concern is either cold forging or spun-forging. I know less about the european wheel mfg business, but cold forging is employed primarily by companies like Rays, who manufacturers Volk as well as many OEM wheels. The high pressure forging process is supposedly susceptible to high temp powder coating. The spun forging process uses a press / spun type mfg process (I'm told most BBS wheel outters are spun forged) so this process I believe is also susceptible to high temp power coating.

Any one know for certain?