We installed the TR6 Motovac set up after fiddling with an MGB dual
master without success.
I think we have had the TR6 configuration with stock calipers for about
three seasons and have no complaints.
I wonder why Jack is having a problem and we are not? There was a
couple suggestions about plugged holes...this strikes a chord of
possiblility.
> ----------
> From: mike jackson[SMTP:grand_wazoo@flinet.com]
> Sent: Thursday, December 18, 1997 8:36 PM
> To: Bill Babcock
> Cc: vinttr4@FORBIN.COM; friends of Triumph
> Subject: Re: Brake pedal height
>
> I have the dual master but not aftermarket calipers. I'm not sure why
> they alone would fix the problem unless the originals were losing
> fluid
> which they dont seem to be doing. any ideas as to why they helped?
>
>
> Bill Babcock wrote:
> >
> > I had the same basic problem. I checked the runout on my disks a
> dozen
> > times, hot and cold, because I thought it had to be wobble. Finally
> I
> > replaced the calipers with Tiltons and the problem mostly
> disappeared
> > (Tilton has a bolt-on replacement for Girling calipers). Then I
> replaced
> > the master cylinder with a dual tilton unit with a balance bar, and
> > never looked back. Much better.
> >
> > Kind of an inelegant solution I admit, but it's a lot better than
> trying
> > to fix parts that come pre-broken from the manufacturer..
> >
> > > -----Original Message-----
> > > From: Jack W Drews [SMTP:vinttr4@forbin.com]
> > > Sent: Wednesday, December 17, 1997 1:31 PM
> > > To: friends of Triumph
> > > Subject: Brake pedal height
> > >
> > > It is with great fear and trepidation that I interrupt the
> hilarity of
> > > the Season's messages to ask a genuine technical question, but I
> have
> > > been forced to do so by public humiliation and derision on the
> Team
> > > Thicko page, so here goes:
> > >
> > > My TR4 suffers from unpredictable brake pedal height. Sometimes
> the
> > > pedal is high, sometimes low, on the same lap. We are forced to
> > > compensate for this by tapping the brake once before we reach a
> > > corner,
> > > much to the consternation, I'm sure of our fellow competitors,
> when
> > > they
> > > see the brake ligt flash at a point prior to the corner.
> > >
> > > I think it is caused by front pad push-back. Front bearings are
> tight.
> > > Happens with new pads or old ones. We are running the TR6 master
> > > cylinder for its dual circuit, and we do not have the eaarly TR
> line
> > > pressure valve in the plumbing.
> > >
> > > What can we do to cure this?
>
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