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Decoding/Numbers / Master Cylinder

« on: November 18, 2005, 01:21:54 AM »

Hi Everyone, this is my first (of probably many) posts on this site about my newly purchased 69 Camaro SS. It is a Canadian delivered car with a 03D build date. I was able to get the GM of Canada documentation for it and it does have the X55 code on the Trim Tag. Right now it does not have the origional brake master cylinder installed, but I did find a used one in the trunk when I bought the car. The one that was in the trunk, has a casting number of 5460346 on one side of it and also a "OD2" (I think) cast on the other side. I did not seem to be able to find a date code cast on it anywhere, but I did find a 1159 stamped on one of the machined pads where a brake line ataches to. One other thing I found on it, is a "ZA" stamped on the machined pad at the front of the unit. I was wondering if anyone on this site could decode this and tell me if it was the correct origional one for my car.
Thanks, Norm