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Old April 12th 2016, 14:58
flat flat is offline
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Join Date: Dec 2002
Posts: 675
I'll bite..
The 944T rears have 28/30mm pistons. C2 rears are 44mm. For simple comparison of piston area:

944T 1323mm2
C2 rear 1521mm2
ghia front (40mm) 1257mm2

Since there is only 5% difference between ghia front caliper and 944T, I'd leave the 944T setup on the super. Put the C2s on the front of 70 with boxster front rotors (298x24). This will require 16s to clear. For a hub get some thick face threaded ghia rotors in porsche pattern and turn down the OD to 157mm. Pressed studs will not work because wall thickness from stud hole to OD of the hub is thin and will crack the hub. This is an issue with cast iron rotors/hubs. Not an issue with aluminum or forged steel (like OEM Porsche)

The C2 rears and 944T rears are direcly interchangeable.

The CSP setup uses boxster rear calipers (28/30mm) which fit 20mm rotor.

Cheers
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