<VV> Dual or Single Master Cylinder

[Mike Kost]

On the Volvo (at least our `82 240 wagon) if you had a circuit go out 
you still had 3 wheels of braking. The front disks were a dual circuit 
design so that you had 2 front and 1 rear on each circuit. you also had 
a separate small drum inside the rear hub for the E-brake. I never had a 
brake line failure in it but would imagine this setup would provide 
reasonable stopping ability in case of emergency.

Mike Kost

> <>I believe that the owners manual for most dual baking system cars 
> (Volvo
> does, or used to do, it a bit differently) does say that it offers 
> reduced
> braking performance under conditions of partial brake failure. So, 
> "Blow a
> circuit, and you really don't have much left," is the normal modus 
> operandi. I
> sincerely hope that I never again have the personal experience from 
> which I speak.
>
> Perhaps one would want to consider a true dual master cylinder setup, ala:
> http://www.stoptech.com/tech_info/PedalSetup-DualMaster-Guide.pdf,
> also perhaps considering professional installation.
>
> Drive On!
>
> Bill Strickland



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