[Healeys] Rear wheel cylinders on a BJ8

Stephen Hutchings s.hutchings at rogers.com
Tue Aug 27 10:36:49 MDT 2019


Interesting topic.
I just had my rear drums turned, and I was surprised at how little wear there was on the shoes.
I guess the engineers at BMC put in the smaller cylinders as a kind of default brake bias control.

Stephen, BJ8

> On Aug 27, 2019, at 12:29 PM, Michael Salter <michaelsalter at gmail.com> wrote:
> 
> Have to agree with Kees on this one. 
> We have a brake bias control on AHX12 and I can certainly attest to the fact that when the conditions change to "wet" removing a lot of rear braking is absolutely essential to prevent the car from swapping ends. 
> As most road cars don't have adjustable brake bias I would be very careful in trying to increase the rear braking.
> When braking into a corner the last thing you want is the rear end coming around, particularly in the wet.
> 
> M
> 
> On Tue, Aug 27, 2019 at 12:09 PM Kees Oudesluijs <coudesluijs at chello.nl <mailto:coudesluijs at chello.nl>> wrote:
> Whatch out driving in the rain as the rear brakes will lock the rear 
> wheels much quicker than with the smaller pistons.Rear brakes are only 
> providing a small portion of the total brake force.
> 
> Kees Oudesluijs
> 
> Op 27-8-2019 om 18:04 schreef Chris Dimmock:
> > Hi Men
> > Has anyone else ever changed their rear wheel cylinders from 3/4 inch to 7/8 inch?
> > I just did. Sick of the rear brakes doing nothing. Freeloaders!!
> > Yes, no problem with seized wheel cylinders, no problem with the flexible hose - just bugger all wear on the rear linings.
> > I'll let you know how it goes on my BJ8
> > Best
> > Chris
> >
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