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322x32mm discs on 993 C4 calipers?

S

S3 Richie

New member
Hello.

I'm French, and I come to you expecting that you would be able to answer my question:

I have 993 C4 calipers, which are normally mounted with 304x32mm discs. I'd like to mount them with 322x32mm discs of 993TT.

Do you think that 993 C4 calipers can fit 993TT discs?

Thanks a lot for your future answers.
 
I've had Turbo discs on my C4 with the standard calipers for two years, you need to make a spacer block of around 11mm to lift the caliper out so it sits correctly on the larger diameter disc. There are conversion blocks available commerically as the idea has been around for years mainly in america. And they are used in converting Subaru's, Audi and Golfs to Porsche brakes. You will also need longer caliper mounting bolts, I used the 928GTS bolts, I also use turbo/RS sized pads.

If you do this conversion yourself you do need to be mechanically competent. I've done around ten track days with no problems.

David
 
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