RX7 calipers from Junky YAY! But can they be rebuilt?

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  • graphikg
    Banned
    • Jan 2008
    • 1614
    #1

    RX7 calipers from Junky YAY! But can they be rebuilt?

    I got these rx7 calipers from the junkyard to do a cheap bigger brake setup. But when I popped out the pistons (TOOK FOREVER!) one piston and the chamber look soooo chewed up. I am wondering how bad the second one is. Hopefully not as bad. But can I rebuild them?

    Sorry for the bad iphone pics. But you get the idea I hope.









    Oh yeah... And these pics have been taken after cleaning and air blowing with a compressor. Its clean. No sanding or polishing has been done though.
    Tags: None
    • browntown
      No R3VLimiter
      • Jun 2004
      • 3524
      #2
      i know you can hone the cylinder hole and replace the cylinder, but the lip of the cylinder bore looks trashed. I suppose as long as the wiper ring doesn't ride that high I don't know if it would matter.

      If you got them super cheap, I'd consider using them as a core for already rebuilt ones from Napa/autozone/etc.

        Comment

        • graphikg
          Banned
          • Jan 2008
          • 1614
          #3
          No other insight? I am thinking of still using them to rebuild.

            Comment

            • TurboJake
              No R3VLimiter
              • Oct 2010
              • 3780
              #4
              ehhhh. That outer edge is pretty chewed up and will gouge out the piston as you use it and then the seal the first time you put new brake pads in.

              I'd use em for cores


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                • E30_pilot
                  E30 Fanatic
                  • Sep 2005
                  • 1461
                  #5
                  I think u can buy rebuilt kits or just pistons.
                  I don't know how much naps charges for new rebuilt calipers
                  but I got my fd caliper for pretty cheap.
                  Good luck with the setup
                  -Frank
                  1987 325is m50nv (schwarz)
                  1990 325is (sterling silber)(sold)
                  2001 525i

                    Comment

                    • quikveedb2
                      R3VLimited
                      • Sep 2007
                      • 2258
                      #6
                      Originally posted by browntown
                      If you got them super cheap, I'd consider using them as a core for already rebuilt ones from Napa/autozone/etc.
                      Originally posted by graphikg
                      No other insight? I am thinking of still using them to rebuild.
                      Originally posted by TurboJake
                      ehhhh. That outer edge is pretty chewed up and will gouge out the piston as you use it and then the seal the first time you put new brake pads in.

                      I'd use em for cores
                      Insight, all you need is reading comprehension and some common sense. I wouldn't fuck about and cheap out with brakes, they are pretty darn important. 2 cents.
                      Originally posted by Dozyproductions
                      You know why you're drinking that Pabst? No its probably not because it was the first beer you grabbed. It's because you're a winner.

                        Comment

                        • nrubenstein
                          No R3VLimiter
                          • Feb 2009
                          • 3148
                          #7
                          Last I checked, the calipers were available stupid cheap.
                          2006 GMC Sierra 2500HD 4WD LBZ/Allison
                          2002 BMW M3 Alpinweiß/Black
                          1999 323i GTS2 Alpinweiß
                          1995 M3 Dakargelb/Black                           - S50B32/S6S420G/3.91
                          1990 325is Brilliantrot/Tan
                          1989 M3 Alpinweiß/Black

                          Hers: 1996 Porsche 911 Turbo Black/Black
                          Hers: 1988 325iX Coupe Diamantschwartz/Black 5spd

                          sigpic

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                            • graphikg
                              Banned
                              • Jan 2008
                              • 1614
                              #8
                              Where? I am thinking autozone with 50 bucks per caliper. Thats with new hardware and new seals and everything. Doesnt seem too bad.

                                Comment

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