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Old 09-23-2012, 08:10 AM
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The early S10 rear ends had a 3 bolt pattern on the brakes. One large bolt at the top and 2 small bolts at the bottom. Somewhere in the late '80s or early '90s they went back to the old 4 bolt pattern that was used on the old Chevy car rear ends in the '60s and '70s. The disc brakes use this 4 bolt pattern. If you have the older type rear end with the 3 bolt brakes then the disc brakes will not fit.
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