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Old 08-17-2017, 10:46 AM   #1
modela1929
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Join Date: Nov 2013
Location: mesa az/Vulcan alberta canada
Posts: 36
1977 bonanza

Can anyone tell me if the 73 to 80 c10 has 1 1/4" rotors and the 81 to 87 have 1" rotors
thanks
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Old 08-21-2017, 09:15 AM   #2
LT7A
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Join Date: Oct 2015
Location: PNW
Posts: 3,498
Re: 1977 bonanza

I think the bigger brakes were an option or came with an option package on the later trucks. I don't know about the earlier ones. I have an 82 C10 that has the 1.25" brakes. Although it is on Bell-tech spindles, so they could have been added with the aftermarket spindles.
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