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Old 12-25-2009, 04:22 PM   #25
lolife99
67-72 parts collector,…
 
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Join Date: Nov 2002
Location: Mid-MO
Posts: 22,683
Re: Disc Brake Upgrade Reference Thread

Quote:
Originally Posted by trenz68 View Post
Had a couple questions. I recently did a front disk brake conversion on my 68. They guy claimed it came off a 72 swb. The rotors are 1 1/4. A buddy of mine has a 72 with 1in rotors. The reason i ask is i want to install some drilled and slotted rotors but they are 1in. Would i have to get a different year rotor or change the caliper to fit 1in rotors. Any help would be appreciated.
The 1" rotors require a different spindle and caliper.
Just curious about the drilled and slotted 1" rotors since I'm looking for a set.
Do you know what brand they are or if they are for sale? (If you don't use
them)

The 1" rotors are "light duty" rotors that GM put on most of their 305 powered trucks in the early 80's.
I never have figured our the exact combo that made GM decide which rotors they put on which trucks.
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