Boxster brakes on 4kq

[Greg Amy]

>>> A long shot, but has anyone come up with anything yet?
>>> Check out   http://www.bira.org/

I'm guessing that email was at the very beginning of the projects, and
before the formal creation of BIRA, the Brake Improvement Research
Association. Glen and I never pursued this because of the dearth of large
factory rotors for the 4-bolt cars. We simply could not find a 4-bolt rotor
that was big enough for our purposes.

However, there's been a recent development with this project. BIRA members
Alex V Gerbig (1988 Audi 80) has taken the tiger by the tail and sourced
Coleman multi-piece rotors that match the dimensional design of the Audi A8
rotor, but drilled in the 4x100 pattern. This will allow the 4-bolt cars to
have the BIRA System 1 with the Boxster monobloc calipers and Coleman
multi-piece rotors, for 16" wheels or larger. This will also allow any
5-bolt owners to use the same Coleman setup, drilled to 5x112.

We are in the middle of testing and prototyping this 4-bolt design. We have
verified the dimensions of the brackets required, and have delivered the
first set to Alex for testing. There is not yet an expected date that the
design will be released to the membership, nor is there any expected price.
However, note that System 1 with A8 stock rotors costs members about $1100;
the Coleman rotors with non-directional vanes are expected to cost $200 more
each, balanced, than the factory A8 rotors.

We have no additional information to release publicly, but the BIRA
membership will be kept apprised of all details as the project progresses.
If you are interested in what we are doing I suggest you join BIRA or keep
an eye on the web site for publicly-released info.

Greg Amy
BIRA.ORG
http://www.bira.org



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I was browsing the archives today instead of doing work, and found this:
http://www.audifans.com/archives/1999/04/msg01601.html

"Fundsalo Racing will be working with Greg Amy to create a Boxster
caliper-based big-brake kit for the 4KQ. This will be for use with 15" or
larger wheels. I will be supplying a 4KQ strut and Boxster caliper to Greg
for this project. Initially this will be for the front only, rear is a
future possibility."

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