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Re: [T3] woohoo! and a question or 2...mainly disk


On 10 Sep 2002, at 23:35, Parker-Durost wrote:

> Matt, have you been out to Halsey Auto?  They should have the
> Brazilian ones instock at a reasonable price.  I've had these for 4
> years and they work fine, they have a top and bottom bleeder so
> they're reversable.

Is there anyone here, familiar with brake work, who has worked with and 
used both the OE style calipers and the Brazilian calipers? I'd like to know 
whether the omission of the 20 degree cutout on the late calipers really 
makes a difference.

This cutout was a standard feature on European disk brakes for nearly 20 
years, and I think it makes good sense. For those of you familiar with bicycle 
caliper brakes it is similar to toeing in brake pads. The Brazilian calipers 
omit this feature and one wonders whether the pads suffer uneven wear as a 
result.

There is also a compensating pin inside the caliper that serves a somewhat 
ambiguous function. While its use can be explained, it is unique to our VWs, 
type 4s, and 914s. If it were really important, then why didn't Mercedes, 
Porsche, Volvo, or Saab use it, even though they used calipers made by the 
exact same company, Alfred Teves of Germany. This feature is not present 
on the Brazilian calipers.

It is certainly nice to have a caliper that is both LH and RH, with two bleed 
valves, but I worry that this nice touch comes at a price.

-
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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