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Reply to "Brake System"

You only require a residual valve if you are running disc brakes all the way around. Some people will say they have discs all the way around and have no problems. However, your rear brakes will not function to full efficiency without a residual valve (2-4lbs).

Early 356c and 911's ran four wheel discs without a valve. Later model 911's all had valves on the master cylinder between the rear main line and the master cylinder.

I had a problem with my Resto-custom 67 VW convertible when four wheel discs were installed. The rear brake rotors showed minimal wear while the front brakes wore out. Installed a valve from a Hot Rod supplier and had no more problems. Stopping distance was reduced.

It all depends on what you are running. Disc and drum is ok without valve.


Heiko
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