----- Original Message -----
From: "Randall Young" <ryoung@navcomtech.com>
To: "Triumph List" <triumphs@autox.team.net>
Sent: Friday, April 04, 2003 5:44 PM
Subject: RE: TR3A restrictor valve question
> > I get the feeling that my car (TR3A) doesn't roll as freely as it
> > should and
> > I suspect the restrictor valve in the brake line isn't letting go
> > enough. Do
> > I remember correctly that I can remove the innards of this valve with
> > minimal impact on breaking abilities?
>
> As with any modification to a safety-critical system like brakes, you're
> taking a chance. Triumph-Standard had a valid reason for adding the
> restrictor valve.
>
> That said, the worst that can happen without it is that the brake pedal
may
> be lower than usual after some spirited driving. I took the innards out
of
> my valve almost 20 years ago, and I've never had to pump the pedal to get
> brakes (for this reason anyway <g>). But, it could happen.
>
> It's my belief that the valve is supposed to add a detectable amount of
> rolling resistance, but I can't prove that offhand. ISTR reading it was
> supposed to hold 4 psi, which would translate to about 12 lbf at the pads.
> On my car, it was enough to hold it on a very slight grade, but the effect
> would lessen as you drove without using the brakes. But I've no idea if
it
> was working properly or not, I just know that I like it gone!
>
> Randall
Thanks Randall. That's exactly the way it seems. It may have always been
that way and I haven't noticed, but now that I have, I find it a bit
disconcerting. Seems like I'll lose a lot of brake fluid removing the valve,
so I'll flush the system and replace it with dot 5 before I get any leaks on
my new paint job.
Bob
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