[Top] [All Lists]

Re: Wet brakes don't work, Part II

To: "Bill Schooler" <>, <>
Subject: Re: Wet brakes don't work, Part II
From: "Paul Hunt" <>
Date: Fri, 2 Apr 1999 16:31:11 +0100
GT wheel cylinders give *greater* braking effort to cope with the additional
weight, that is why roadster backplates and wheel cylinders have different
peg arrangements.


-----Original Message-----
From: Bill Schooler <>
To: <>
Cc: Charley & Peggy Robinson <>;
Date: 31 March 1999 13:25
Subject: Re: Wet brakes don't work, Part II

>I have always been amused by some of the "puffery" language used by VB
>in their catalog.  "Upgraded" rear wheel cylinders are nothing more than
>the wheel cylinders for GTs.  Different internal diameter yields
>different braking pressure.
>For your info file - in 30 years of driving the same MGB, only once did
>I experience weak braking from water.  This occurred during an extremely
>heavy rainstorm, with lots of standing water on the road.  Upon
>application of the brakes, braking from the front was ineffective until
>the pads wiped away enough of the water to grab.  The effect was
>momentary and normal braking was restored rather quickly.
>I'll be most interested in what the probem is.
> wrote:
>> Hi Charley,
>> The reason I haven't tested any part of the brake system at this point is
that I
>> have 20 years and 200K miles of driving data to work with.  In that time,
>> verified many times that all portions of the the brake system work and
>> has changed lately.  I asked for the list wisdom on this one before I did
>> investigation because I wanted to know which I would be looking for--a
>> with my car, or a design defect.
>> Now that I know that I'm looking for relative braking power between the
>> and rear brakes, I know what I need to do to test it, including what you
>> suggest.  I know that there's no major failure in my braking system, but
>> something is marginal and I plan to quantify it before I change anything.
>> However, I was looking through parts catalogues today, and discovered
>> that suggests that this may just be "the nature of the beast."  Victoria
>> offers upgraded rear wheel cylinders.  Here's what they say:
>> "Under heavy braking, MGB roadsters and all MGC's have a tendancy for the
>> brakes to lock up.  Replacing them with upgraded rear wheel cylinders
>> the rear brake pressure and creates a better balance between front and
>> braking."
>> If I can't find anything that would diminish the braking power of the
>> brakes, I may try these wheel cylinders.  However, I still like the idea
of an
>> apportioning valve so I can adjust the balance to any value, but that
>> require major replumbing.
>> Thanks for the suggestion and send along any others you have.  I'll let
the list
>> know what I find.
>> Denise Thorpe
>> BTW, black widow spider webs are tougher than other webs, so I can tell
by feel
>> when I'm in danger.
>> Charley & Peggy Robinson wrote:
>> >
>> > Hi Denise,
>> >
>> >   Have you jacked up the front of the car and tested the front brakes
>> > see how they work?  Forgive me if I've missed something but all I've
>> > seen is conjecture.
>> >
>> >   CR

<Prev in Thread] Current Thread [Next in Thread>