The Workshop Manual doesn't say anything about it, at least not in the Brakes section. Farrar Hudkins #2613 Bob Brandys wrote: > > > In the early 80s, cars shifted to low drag disc brakes. > > For example, the 82-83 AMC Spirit disc brakes were low friction > compared to the 78-79 Pacer disc brake pistons. The parts are > interchangable so you can upgrade a Pacer to the low friction pistons. > > What about the D? Are these low friction disc brakes? > > Are there later model calipers that are low friction. > > Typically, the low friction pistons slightly retract after application. > This could be a spring in the main piston that creates a little > negative hydraulic pressure to retract the pistons. > > Drum brakes used to do this with springs. > > Bob > > To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/dmcnews/join (Yahoo! ID required) <*> To change settings via email: mailto:dmcnews-digest@xxxxxxxxxxxxxxx mailto:dmcnews-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/