Brake drums are measured on their inside diameter. Yours should be about 9.5"
http://www.teambuick.com/reference/l...assis/50-a.pdf
Junior Member
I just pulled the rear brake drums from my 66 buick skylark so I could measure for new. However after measuring it is clear that the two drums are not the same size. One is 11.5" and the other is 12". Any help with determining which to go with would be appreciated.
Last edited by scott kerns; 07-31-2009 at 05:23 AM. Reason: designate rear vs. front
Brake drums are measured on their inside diameter. Yours should be about 9.5"
http://www.teambuick.com/reference/l...assis/50-a.pdf
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Junior Member
yeah i measured the inside diameter and both were 9.5. O.D. was measured and odd that they were different. thanks for the quick response.
Junior Member
Well the brakes fit...I was introduced to the lost art of Re-arcing the brakes....onto the front brakes...
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