[s-cars] Boxster vs. bigger brakes

[Douglas Fifield]

Cody,

I run the BIRA system 3 (Boxter S calipers, Euro A8 rotors) on my 95.5
S6 Avant and track the car occasionally.  At the track I run Pagid
oranges on the fronts.  Never had any fade at all.

D.

On Sun, Apr 3, 2011 at 7:37 AM, Grant Lenahan <glenahan at vfemail.net> wrote:
> Boxster S calipers are larger - essentially 996 calipers. Red.
> Both are Brembo Aluminum monoblocks with 4 pistons per caliper and single pads
>
> Primary difference is that S calipers support a larger rotor, but, in trade off require a 17" wheel (on a boxster)
>
> any of them represents  HUGE increase in the rear of a nose heavy pig ( i mean audi).  In the front, as noted, even bigger might be nice.  I cannot however, find a way to fit 16" rotors under 16" wheels :-)
>
> Grant
> On Apr 3, 2011, at 8:32 AM, NIck Miller wrote:
>
>> Are most people referring to front, rear, s or non s calipers here?  From
>> what I understand the rears can make a decent upgrade on lighter low power
>> cars, no?
>>
>> What's the primary difference between S and non S calipers as well?  Ty.
>>
>> Nick
>> On Apr 2, 2011 11:33 PM, <racingiron at comcast.net> wrote:
>>> Cody,
>>>
>>> I replaced the G60s on my urq with Boxster (non-S) over 300x25 rotors,
>> because they fit my primary requirement: fit under 8x15 Ronals. I love the
>> consistent braking at the track, but I can still reach the limit if I push
>> hard enough. The thin rotors just don't have the capacity to absorb and
>> dissipate enough heat. I generally don't push the car too near 10/10ths, so
>> I just back off when needed.
>>>
>>> Your car, with more power and weight, might make you wish for a bit more
>> capacity. It all depends on the compromises you're willing to make. For the
>> urq, I gotta keep the wheels. On my S4, for which there are no immediate
>> track plans, I won't settle for a Boxster setup. It's got LOTS more weight,
>> though. Big blacks are in the works on that one.
>>>
>>> Eric R.
>>> '86 urq
>>> '92 urS
>>> '93 urS
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>
> Grant Lenahan
> glenahan at vfemail.net
>
>
>
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-- 
Douglas in MN
95.5 Audi S//6 Avant
73 BMW R60/5 mit Toaster Tank