I was at the point of buying drums and shoes, so I measured the backing plates. They were 11" inches in diameter so I assumed I had 11" brakes. I ordered 11 x 2 1/2 drums and shoes but when I went to insatall the shoes they are too big for this backing plate and the rotors don't fit. Do I have have 10 x 2 1/2? I thought 10 inch brakes were 2" shoes, but the old shoes measure 2 1/2 across. Do the 10" brakes use an 11" backing plate....I'm confused (The rear end and backing plates are out of a 72 Charger.)
Measure the ID of the drum. Both 10 and 11" B-body drums were 2.5" wide. I'm sure there are drum sizes I'm not aware of too - I only know a few of the details form working out the ones on my car..
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Those who say it can't be done, should not interrupt those of us who are doing it.
Thanks, I measured the new drums, they are 11". The old ones weren't with the rear end. I must have 10" brakes. I didn't know know there were 10X 2 1/2, I thought it was only 11 x 2 1/2. I'll return them for 10" drums and shoes. Thanks!
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