Quote:
Originally Posted by 1970cstblazer
Per the 1979 parts book, the correct 1971-72 Blazer master cylinder with power brakes is 5472650, which is described as Moraine oval with two wire bails for retention. The master cylinder on my 1972 Blazer parts donor is like the one in the first post.
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Thanks for sharing this here, that is good knowledge to have as I've seen lots of conflicting info about this, specifically that it was drum/drum MC and would not have been factory for a 72. Do you know if that part # was cast into the MC? I'll give it a look over and see if I can find it.