[s-cars] anybody have any insight on putting Boxter calipers

[Greg Johnson]

Lee,

I don't doubt your experience, but it's not making sense. The 996 
caliper is a titch wider (I don't have the exact numbers in front of me, 
but I'll find out) than the Boxster caliper, but the hub/"hat" on the 
Euro A8 rotor is almost 10 mm wider/"deeper" than the USA8 rotor which 
means that for any given wheel, the Sys3 996 caliper should be further 
away from the "spokes" than the Boxster caliper.

Greg J

Lee Levitt wrote:

>Greg,
>
>That's not been my experience. For instance, the 2.7t 5 spoke wheel is
>listed as fitting on System 1 does not fit over my System 3 without 5mm
>spacers, and I've got *maybe* a single mm of space between the outer edge of
>the caliper and the inner surface of the rim with the 5mm spacers.
>
>Lee
>'95.5 S6 avant (System 3) 
>
>
>  
>
>>-----Original Message-----
>>From: s-car-list-bounces at audifans.com 
>>[mailto:s-car-list-bounces at audifans.com] On Behalf Of Greg Johnson
>>Sent: Saturday, February 21, 2004 11:48 AM
>>To: s-car-list at audifans.com
>>Cc: Dave Forgie
>>Subject: [s-cars] anybody have any insight on putting Boxter calipers
>>
>>Dave,
>>
>>Actually, Sys 3 fits more wheels than Sys 1.   Sys 3's A8 
>>Eurorotor lies 
>>closer to the strut, which moves the caliper further way from 
>>the wheel "spokes."
>>
>>BTW, I've never used anything other the Weston Motorsport KF 
>>pads. I've not had any squealing from the KF street pads, 
>>however, the KF track pads squeal like a pig until they warm up.
>>
>>Greg J
>>BIRA.ORG
>>
>>Dave Forgie wrote:
>>
>>    
>>
>>>I have had the BIRA system 1 for four years.  The only issue is pad 
>>>squeal using OEM Porsche pads.  The solution for many (including me) 
>>>was Kerr Performance Friction carbon fibre-based pads from 
>>>      
>>>
>>Paul Weston 
>>    
>>
>>>at Weston Motorsports in Florida.  He is great to deal with.
>>>
>>>IF I was to do it again, I would go for System 3 (Boxster S 
>>>      
>>>
>>calipers, 
>>    
>>
>>>somewhat larger rotors).  The main draw back of System 3 
>>>      
>>>
>>over System 1 
>>    
>>
>>>is the number of 16" wheels that will work with System 3 is 
>>>      
>>>
>>very small.
>>    
>>
>>>(Check the fitment section at the BIRA webpage).  IF money and wheel 
>>>size were no object, System 6 with the custom rotor hats and 
>>>cast-"Drilled" Porsche rotor rings is the way to go.
>>>
>>>In either case, you need a BIRA or clone bracket to make the 
>>>      
>>>
>>calipers 
>>    
>>
>>>fit over the appropriate rotor.
>>> 
>>>
>>>      
>>>
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>>
>>
>>
>>    
>>
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