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380 mm rotors with 18''?

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Old 01-09-2010 | 09:16 AM
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Default 380 mm rotors with 18''?

I am planning to upgrade the brakes on my 996 GT2. One of the options is to use 380mm rotors in the front but I am not sure if they would fit behind 18'' stock wheels. Anyone that have tried or knows if it would work?


/ Anders
Old 01-09-2010 | 01:57 PM
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shouldn't be a problem, i use them on my 3
Old 01-09-2010 | 02:30 PM
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Question

Originally Posted by va122
shouldn't be a problem, i use them on my 3
Hi Victor, I am wondering if it will require a new set of calipers and/or radial spacers?
Old 01-09-2010 | 05:05 PM
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depends which wheels
Old 01-09-2010 | 05:07 PM
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wooops sorry!, you said stock... my understanding is they don't fit the stock wheels.
Old 01-09-2010 | 05:35 PM
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OK..my mechanic told me that it is ok with "BBS racing" wheels but he was not sure about stock wheels. How about CCW or OZ Alleggerita in 18''?
Old 01-09-2010 | 05:36 PM
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Originally Posted by va122
shouldn't be a problem, i use them on my 3
What wheels are you using on your 3?
Old 01-11-2010 | 05:44 PM
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I have BBS e88s their offset is pretty far out and I have no clearance issues. I didn't replace my calipers.
Old 01-11-2010 | 05:46 PM
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I just got the OZ Allegrita but haven't tried them yet so I can't say. They are sitting in my garage waiting for another set of slicks to arrive
Old 01-11-2010 | 06:17 PM
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How do you run 380mm rotors w/ the stock 996 GT2/3 setup? Do you use 15mm spacer on the front radial mount caliper?


Originally Posted by va122
I have BBS e88s their offset is pretty far out and I have no clearance issues. I didn't replace my calipers.
Old 01-13-2010 | 06:45 PM
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yes I do.
Old 01-13-2010 | 06:55 PM
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Interesting.. so you have 380mm up front and 350mm (or 330mm) on the back, in a 6GT3?! Do you have brake bias issue?

Last edited by cfjan; 01-13-2010 at 10:24 PM.
Old 01-13-2010 | 10:18 PM
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The bias is annoying i have to say. I'm going to go with a more aggressive pad in the rear
Old 01-13-2010 | 10:25 PM
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Maybe 380mm on the back too?! ha!

Do you have any pics of your setup?! Thanks!!
Old 01-15-2010 | 01:08 PM
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you need the PCCB calipers in the rear for that size. I've thought about it.

My car is at my garage at the track and I can't take any photos


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