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Ok, kinda getting somewhere. It seems nearly all Porsche discs have nothing in common to RS2 discs other than the same stud pattern. I was hoping something from a Cayenne/Boxster/Cayman etc etc would be similar, apparently not so...
what exactly are these 330mm gt3 ones Jamo has then? I can't find them anywhere.
I think you will find this subject has been done to death, 8 years of RS 2 ownership and I have not heard of a practical solution, if what Ross say sebro at 115 each that whould be the cheapest for 322 mm I have heard off
The hat height of the 330mm aren't the same as the rs2 however that doesn't matter as you use them with gt3 calipers
All the info is in stickies in the brake section and the gt3 big big red thread
Sebro are non-OEM but equivalent, those in the Porsche world that have used them seem to rate them.
If you're using different calipers and/or mounts then of course there's going to be alot of options but for stock 'big red' RS2 set-up it's like this (and as Jamo says all this info is available in other threads for more info):
Front: (all cross-drilled) OEM - 2-piece and have a porsche part no but Audi specific; 1-piece Porsche 965 turbo OEM; 1-piece Posche 965 turbo non-OEM (Sebro, pagid i think too).
I believe you can also get a 2-piece porsche disc and swap it to the RS2 hat, can't remember which one.
I am not sure if there's a non-drilled option. If there is, it'll be alot cheaper I'm sure and no less effective!
Rear: OEM drilled equivalent to the 928 GTS rear disc. Only available from Audi. You can buy OEM porsche (non-drilled), aftermarket non-drilled variants, or the Zimmermann drilled version for about 1/3-1/4 the price of the OEM part.
Zimmermann is a good option to match with the fronts, the drill pattern is different and points the 'wrong way' on one side, but if you can get over it you're about £200/set instead of £650/set. Or ditch the drilled pattern and they're even cheaper.
Personally - I have fitted the Sebro's, although I did find a genuine set of Audi 2-piece discs for a bargain price outta someone's shed so bought those for next time. I also have a genuine set of rear's I was able to get with discount, as they will need replacing soon. I was otherwise going to fit zimmermann's.
The hat height of the 330mm aren't the same as the rs2 however that doesn't matter as you use them with gt3 calipers
All the info is in stickies in the brake section and the gt3 big big red thread
I have 993 calipers so I'll have to make custom brackets.
I've read the "GT3 big big red" thread, and its starting to make sense now.
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