[s-cars] 16" Avus wheels and ECS Stage 3

[Martin Kozaczek]

FYI, the current ECS Stage 3 setup no longer uses 993 TT calipers but their
own brand or something like that, the kit still uses the larger 993TT rotors
and ECS hats.

The ECS Stage 2 setup uses 993TT calipers but with smaller 314mm rotors (A8
maybe?).

So the old "true" 993TT stage 3 kit using 993TT calipers and 321mm rotors is
no longer available at ECS, I think it would have fit in between their new
stage 2 and stage 3 kit.


On Wed, Sep 16, 2009 at 9:52 AM, Taka Mizutani <t44tqtro at gmail.com> wrote:

> What I was saying is that braking power of a UrS Boxster setup is
> significantly less than the 993tt setup.
>
> You're also comparing the undersized and IMO, inadequate US-spec brake
> setup
> to the Boxster setup. Keep in mind that Euro-spec UrS cars started with UFO
> brakes around 315x25mm and then later upsized to the Lucas-Girling
> 2-piston,
> 4-pad brakes 321x30mm (IIRC on the exact size), which is what is found on
> the A6 2.7T, the S4tt, etc. Audi obviously felt that the G60 setup was not
> appropriate for use on the C4 chassis S4/S6, with the exception of the US
> market, the justification being that US top speeds were legally at most
> 65mph.
>
> I've exceeded the heat capacity of my brake setup at the track (Watkins
> Glen), but that was with Ate Super Blue and Hawk HPS street pads. This is
> with 320x30mm MBZ SL600 rotors and 996 calipers. I don't think that would
> happen with race pads. Also, MBZ rotors of that type are directionally
> vented, which cool better than the stock Audi rotors which are symmetrical.
> At least I don't have Corvette Z06 rotors, which are directionally vented
> in
> one direction only but are used on both sides of the car (!), which is
> about
> the most retarded thing I've heard in a while.
>
> Taka
>
>
>
>
> On Wed, Sep 16, 2009 at 12:35 PM, <racingiron at comcast.net> wrote:
>
> > Taka wrote:
> > > Getting a Boxster caliper and appropriately sized rotor is not
> > > going to improve your braking significantly, if at all- the pedal
> > > feel will improve over a sliding caliper brake setup, but your
> > > stopping power is going to be significantly less.
> >
> > That's a bit of hyperbole there, Taka.  You may not get *significant*
> > improvement on a C4 chassis, but it will certainly be better.  An
> > "appropriately sized" rotor for a Boxster caliper is something in the
> range
> > of 298x24 (stock boxster).  That compares favorably to the G60 276x25.
> > Those running Boxsters on an urS are likely using an Audi 312x25 rotor,
> > which, though adding rotating and unsprung mass, also has a larger heat
> > capacity.
> >
> > "Stopping power is going to be significantly less"?!  Sorry, but I'm a
> bit
> > confused by that comment.  My only personal experience with the Boxster
> > brakes is on my urq with a 300x25 rotor.  That setup beats the G60 hands
> > down, both on the street and the track.  I'm sure the heft of an urS is
> > easily capable of overwhelming a Boxster package when pushed hard, but
> I'm
> > confident in saying that the stock system would be well beyond
> overwhelmed
> > at that same point.
> >
> > Eric R.
> > '86 urq
> > '92 urS
> > '93 urS
> >
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-- 
-Martin