[V8] Re: [s-cars] BIRA System 3 opinions?

Theodore Chen tedebearp at yahoo.com
Fri Jan 30 14:00:10 EST 2004

--- auditude at cox.net wrote:
> I think I'm gonna (join BIRA and) get in on the current group buy for BIRA's
> System 3 for my 200q20v with G60's.  I would like to get people's feedback
> who are running them.  
> I understand the caliper pistons need to be shortened.  Are these pistons
> available separately, if someone wanted to return the calipers to original. 
> I'm just curious about that.  Also curious as to why they would need to be
> shortened.  
> I understand the rotor width difference, but I picture the pistons being
> flush in their bores when fully retracted in the stock configuration.  For
> them to need to be shortened, I guess they aren't totally flush when
> retracted?

it's not the pistons that need to be shortened.  there are pad
retaining pins in the caliper.  they protrude inward toward the rotor.
those have to be filed down slightly, as the euro A8 rotor is slightly 
thicker than the rotor that the 996 calipers were intended to use.


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