[Healeys] Rear wheel cylinders on a BJ8

[Kees Oudesluijs]

As in many cars of the period and even later. Same on my 1974 
Jensen-Healey. I fitted even smaller cylinders at the rear and increased 
braking force by at least 25% by fitting 4-piston callipers and grooved 
discs.

Kees Oudesluijs



Op 27-8-2019 om 18:36 schreef Stephen Hutchings:
> 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 
>> <mailto: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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