Adam,
Its the diameter of the master cylinder.
The larger the M/C diameter, the less distance the piston has to travel to
move enough fluid to engage the pads on the discs. The brake pedal travels
less distance but the brake pedal feels harder to stop the car. If the pedal
is too hard and you cant apply enough pressure to lock the brakes, you need
to add power assistance to assist your foot to achieve the required the
pressure in th ebrake system, or reduce the diameter of the master cylinder
piston and accept longer pedal travel - always a compromise.
----- Original Message -----
From: "Adam Jackson" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Monday, July 03, 2006 11:36 PM
Subject: Re: Brake help...
Thank Chris and Terry.
This will be a stupid question, but where do I measure to make sure i've
got the right sized master cylinder?
cheers,
Adam
----- Original Message -----
From: "Terry Rudd" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Monday, July 03, 2006 6:57 PM
Subject: RE: Brake help...
Yep, Chris is on the money with this one.
You might get away with a 13/16" off a Sunny, but 7/8" from 240K or
Skyline
would be about right for that combo. 3/4" will be way too soft and
usually
too much travel no matter what you do in the way of adjustments.
Regards,
Terry
-----Original Message-----
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of Chris King
Sent: Monday, 3 July 2006 4:01 PM
To: [email protected]
Subject: Re: Brake help...
what size is the 180b master cylinder, might be too small for the big
front
brake setup?
You should probabally be using a 7/8 mastercylinder.
Also did you bleed the mastercylinder itself?
Chris
----- Original Message -----
From: "Adam Jackson" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Monday, July 03, 2006 3:23 PM
Subject: Brake help...
Hi Guys,
I took the little datto for a test drive yesterday ( video here
http://www.sr20transplants.com/index.php/topic,10.0.html )
Anyways, the brakes were very very soft. I've checked all the lines
and
there doesn't appear tobe any leaks. I bled them and couldn't find any
pockets of air at all.
My setup
Front
VL Turbo / Verada discs
Rear
R31 Skyline
180B mastercylinder and booster
The vacuum line from the manifold to the booster seems fine. I was
also
thinking that perhaps i've hooked up the VL Turbo calipers incorrectly?
From memory they only work if they're fitted on the correct sides. Does
anyone have pics of their setup?
cheers,
Adam
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