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Old 06-01-2011, 03:45 PM
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Problem with '74 'Vette master cylinder

The master brake cylinder on my ride leaks, so I figured it was time to replace it. It's the classic '74 'Vette master cylinder. (the casting number on the body is 29969).

So I went to NAPA, got a reman m/c (with casting number 29969), but it's notteh same part.

The cup where it receives the rod from the vacuum booster is shallow, whereas the replacement part is deep. The other m/c's that NAPA has have a deep cup.

Is this a power/manual brake difference? Am I confused? Is NAPA confused?
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