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On Tue, 5 May 1998, Terrece Begley wrote:
> 
> Hi listers,
> 
>       Does anybody know when Standard started installing twin master 
> cylinders in the TR line? I have a '61 TR-3A with twin cylinders (a la
> TR-4) and don't see any references to them in TRF or Moss parts 
> catalogs.
Terry, if I understand your question correctly, the answer would be circa
1956, when they changed over from the all-drum Lockheed braking system
(which used a dual -- not twin -- master cylinder) to the disc front/drum
rear Girling system.
--Andy
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