I have had some bad results with uneven brake bias.At one time I had just
the proportioning valve going the the rear brakes after the rears were up
graded to discs on my Tr 6
The trouble was I could never take enough psi off the rear and that was
not good The tilton system is not to costly and considering the infinite
adjustment from the cockpit. I would not want to be stuck with a shim
adjustment.
Now I can set them up as I like and don't have to settle for "there all
most what I want" good luck with your decision. rob ps If you go
with the tilton set up and need the sizes on the masters etc I will be
happy to look them over and pass on the data I have 2 or 3 new masters that
I could not use either to small or large can't remember
----- Original Message -----
From: "Bill Bartlett" <BillBartlett@wingnutracing.com>
To: <fot@autox.team.net>
Sent: Wednesday, February 10, 2010 9:58 PM
Subject: [Fot] (no subject)
> Hi Gents,
> I am curious on the difference between brake "Biasing" and brake
> "proportioning"?
> Given that one has a set up with twin masters, one each for the front and
> rear brake systems, is it better to use a bias adjustment cable from the
> cockpit to adjust the amount of force given to the front and rear brakes,
> or
> should one use a proportioning adjustment valve. The bias bar appears to
> work
> by adjusting the amount of force the pedal excerpts on the two masters,
> where
> the proportioning reduces the amount of hydraulic force excerpted thru the
> rear brake line to the slaves.
> What is the deal? Does the Biasing do the heavy lifting and the
> proportioning
> the micro adjustment? I suppose one needs to start with the right master
> bores
> to start with eh?
> My car has a bias bar but it is only adjustable by inserting different
> length
> bushings between the clevis and the spherical bearing at the top of the
> peddle
> assembly. I am debating whether to upgrade to the Tilton adjustable pedal
> set,
> put a proportioning valve in or just leave it alone and have different
> bushing
> sets for say wet and dry?
> Thoughts?
> And thank you for your time
> Bill
> PS; this is for a GT6
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