The 1947 - Present Chevrolet & GMC Truck Message Board Network

The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)

- The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=4)

- - 1977 bonanza (https://67-72chevytrucks.com/vboard/showthread.php?t=744762)

modela1929

08-17-2017 10:46 AM

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

LT7A	08-21-2017 09:15 AM

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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