My pleasure, Albert.
Do you mean the discs themselves, or just the thin metal dust shields?
Assuming you mean the actual discs they should, in theory, fit the the rear
hubs simply through having the same bolt pattern. However, there is the
question of how the offset would suit and whether the centre hole would be
the right size.
Just thinking aloud, I'd suggest considering these apsects...
1. Taking a bare axle end, maybe use a ring of sheet steel the same
thickness as the old brake back plate to keep the bearing location as
original. This would equal axle end, hub retainer and hub, with the old
backplate out of the way.
2. Trying on a disc to see if it fits and clears everything. If not, can any
fouling be relieved without compromising the strength of the axle? Would it
be necessary to pack behind the disc with shims? Will it clear the wheel?
3. Trying some different calipers to see how the cast 'bridge' can be
attached to the B axle, possibly with the four, 3/8" UNF hub retaining bolts
and some sort of collar.
4. Finding if the brake cable run could be acommodated within the wheel?
5. Thinking about an adjustable limiter. This could be done with a dual
master cylinder/balance bar arrangement but the Mini limiter can be made
adjustable by adding a bolt in the 'dry' end to alter the preload of the
spring inside - much cheaper.
Hope this helps - wonder if anyone's carried out the conversion already?
All the best,
Dave
----- Original Message -----
From: <Aeseeyou@aol.com>
To: <davhill@btinternet.com>
Cc: <mgs@autox.team.net>
Sent: Thursday, December 27, 2001 8:34 PM
Subject: Re: 4 wheel disc brakes
> Dave,
> Thanks for your input. By the way, looking at the "exploded" drawings in
the
> various parts houses catalogues it appears as if the front disc brake
backing
> plates with their 4-hole bolt pattern would probably just bolt right up to
> the rear axle. But I don't or won't know until I try it on a real axle
> assembly. But for every day use I'm thinking that maybe it might be too
much
> hassle for what the end results would achieve. But for Vintage Car Rallies
> and Road Racing I feel that 4 wheel disc brakes are the ticket. I'll go
down
> to a friends house tomorrow and try to see if they'll work out.
> I'll be Keepin in touch,
>
>
> Albert Escalante 1978 MGB; 1957 3.4 litre (Mk.I) 1977 XJ-6L; 1985 XJ-6
(not
> running)
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