[Fot] dual circuit brakes on a tr4

[Kas Kastner]

When you stopped the car before jacking it up to test the wheel rotation the 
pressure was retained by the valve from that last braking effort.  If you 
just pound your fist on the top  (side) of the tire that will knock the pads 
back a bit and everything will be just dandy. The same thing happens when 
the car is running down the road, the bumps and side effort onto the tread 
keeps the pads back. The valve wants to help you not get pad knock-back.  It 
works, kind of.
----- Original Message ----- 
From: "Richard Taylor" <tarch at bellsouth.net>
To: "'Bill Babcock'" <BillB at bnj.com>; <WEmery7451 at aol.com>; 
<markvaden at gmail.com>; <fot at autox.team.net>
Sent: Friday, November 02, 2007 12:46 PM
Subject: Re: [Fot] dual circuit brakes on a tr4


> Bill,
> For those of us who don't know a residual valve from Shinola, what's it 
> do?
> Although I've been told it is normal, I have never been able to get the
> front wheels of my TR-4 to rotate absolutely freely (while off the ground)
> without some pad drag.
>
> Richard
> atlanta
>
> It's not a balance vbalve, it's a residual pressure valve.
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