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Adapting a rear axle for Girling brakes

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Adapting a rear axle for Girling brakes
Charles P Offline
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Joined: Aug 2017 Posts: 1,442 Threads: 59
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#1
03-06-2018, 01:22 PM (This post was last modified: 03-06-2018, 01:33 PM by Charles P.)
To fit Girling type rear brakes to an earlier car I'm told that you need to machine down the backplates.
Having done this I've discovered an oddity and I'm after advice.
I turned down the brake backplate mount so that it just cleaned up the boss for the spring mounting pin. This gives an OD of 4.25 whereas a Girling backplate needs 4.00. See the picture. I wouldn't want less metal around the pin. 
Did Austin alter the spring or pin position for Girling brakes or am I unlucky in trying to adapt the "oval backplate" 1935-ish brakes? Or perhaps this is normal and I'm worrying unnecessarily!

   


Thanks 

Charles
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Adapting a rear axle for Girling brakes - by Charles P - 03-06-2018, 01:22 PM

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