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Frank makes a good point about replacement
parts being the big issue in the future even if you get the junkyard system
working to start with. I am thinking particularly of the front rotors, as
I believe (never seen them myself) they are machined in a unique way to provide
a signal to the sensors via a “tone wheel” incorporated into the
rotor. According to the FSM it looks like the standard drums are used on
the rear with the addition of a “drive ring” for the rear sensors
so you might be OK there. It is hard enough to find regular rotors for a ’71
– ’73 let alone Sure Brake rotors. If the rotors on the junkyard
donor car are not within the thickness limits for safe braking then the whole
project could be scuttled. Even if they are thick enough now –
these are obviously wear items and if the vehicle is driven much at all, they will
eventually become unsafe. ’73 perpetual resto From: mailing-list-owner@xxxxxxxxxxxxxxxx
[mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On
Behalf Of Frank Cannavale, III I had Sure Brake on my 72 Imperial. The system worked, but it's
performance was unimpressive. It could pulse the brakes about once per second.
Grandma can do better than that! Good curiosity however. The problem is going to be parts. The sensors
are similar in principle to sensors used now on ABS systems, but not sure how
interchangeable that stuff will be. I had a heck of a time keeping my system in
working condition. The control unit was an analog type comparator -- a
one-of-a-kind system The three brake modulators are big and it will take some
effort to install them. One or two of them were buried, if I remember
correctly. Master cylinder, proportioning valve and most of the brake lines
will need to be done. The system was from Bendix. Have fun! Best regards, Frank On Feb 27, 2008, at 9:43 PM, Jim Corbett wrote:
Has anyone ever attempted adding
the Sure Brake option to a '71-'73 Imperial? I know they were a very low
production option (around 250 in '71). Anyone know the numbers produced in '72
and '73? I believe I've found a '71 in a junkyard
that has the option and I'm thinking of pulling all components, harnesses,
sensors, etc. and adding it to my '71. I've read the Sure Brake section in the
'73 Chassis service manual and it looks doable. I think it would be really cool to pull
this off. Any advice/comments would be appreciated. Jim |
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