[Healeys] 1959 100-6 front disc brake conversion
drscholz at visioncenterpc.com
Fri Nov 28 14:01:16 MST 2014
I agree. The front discs will be doing all the work. I am replacing the rear
end with a ford 9" built for my splined hubs/wire wheels and it is about the
same price to do rear discs compared to drums. It seems to me that the most
important issue is proper distribution in the proportioning valve. I don't
know how to set those valves but I was told by the mechanic it is simple.
Everyone is correct. We don't want those rear discs to over power the fronts.
Very scary. This will be a road car, and not a racer. Maybe a rare autocross
event and that would be it.
Sent from my iPhone
Chris Scholz OD
> On Nov 28, 2014, at 11:23 AM, "Peter Dzwig" <pdzwig at summaventures.com>
> Simon is right I mis-remembered, it should have been the other way round.
>> On 28/11/2014 17:14, Simon Lachlan wrote:
>> I hate to say it, but I could never think this setup is right. Back to
>> As I recall from everything I've ever read and done re race & rally cars,
>> normally goes progressively like this:-
>> Swap front drums for discs. Then, perhaps if still want more, swap rear
>> drums to discs.
>> Then, next stage for fiercer conditions, bigger discs at front and maybe
>> Etcetc but always with more on front.
>> I'd not be surprised if you get some fairly robust replies from some of
>> more colourful types!
>> As a point of reference, I'd be pretty sure that your setup would fail its
>> annual MOT in the UK (assuming the tester wasn't too dozy to spot the
>> strange readings!)
>> -----Original Message-----
>> From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of Peter
>> Sent: 28 November 2014 11:05
>> To: Chris Scholz; Healey
>> Subject: Re: [Healeys] 1959 100-6 front disc brake conversion
>> I did a conversion job on my 100/6 a few years back. Two things turned out
>> to be crucial (i) was balance and (ii) was purpose. The advice that I
>> received was that for fast road work rear disks and front drums were
>> preferable so that the greater braking was applied to the driven wheels.
>> rally or other similar all round disks were fine but it was again critical
>> to ensure the balance.
>> I rebuilt mine with for fat road and occasional rally and hill climb and
>> was fine on everything I used it for including track and hill climb. I
>> also advise that you look at the suspension set up as a whole to ensure
>> it can handle the extra braking well. If I recall I ended up with stiffer
>> shocks and bushes and an anti-dive bar.
>>> On 26/11/2014 19:13, Chris Scholz wrote:
>>> I am looking for advice on converting my front drums to discs. Keeping
>>> my wire wheels. Any vendor? I see some use Willwood discs. Who makes
>>> the brackets? I will also have rear discs with a narrowed
>>> after-market rear end and have to figure out some kind of proportioning
>> valve. Thanks.
>>> Sent from my iPhone
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> Dr Peter Dzwig
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