All,
I am confused by the 1973 judging manual which states that a 1973 power brake master cylinder (5480346) is stamped with a "TG". Also are all master cylinders date coded on the brake line boss? I have seen several 5480346 master cylinders that have no date code in this area.
Lastly the judging manual states that a master cylinder Julian date starts with the year (for example 2237 for 237th day of 1972) is this correct?
As always thanks for the help!
John
I am confused by the 1973 judging manual which states that a 1973 power brake master cylinder (5480346) is stamped with a "TG". Also are all master cylinders date coded on the brake line boss? I have seen several 5480346 master cylinders that have no date code in this area.

Lastly the judging manual states that a master cylinder Julian date starts with the year (for example 2237 for 237th day of 1972) is this correct?
As always thanks for the help!
John
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