Nytrosfinder Posted February 19, 2010 Share Posted February 19, 2010 (edited) Are the brake calipers on the same all the way from 1987-1995? are there any variations to them? And is the hardware the same? Also how about the master cylinder? Any variations in that between the years? My idea is while I am doing my engine swap, have a friend replace the master cylinder while Then engine is out... Edited February 19, 2010 by Nytrosfinder Link to comment Share on other sites More sharing options...
MY1PATH Posted February 19, 2010 Share Posted February 19, 2010 calipers were steel piston and plastic piston units for the front I don't know if one was better than the other. Master Cyls were 15/16 bore in the ealry models and 1" bore in the late models I'm not sure the year of the change over. resivors varied as well but they all do the same thing. all the above are interchangeable. Link to comment Share on other sites More sharing options...
Nytrosfinder Posted February 19, 2010 Author Share Posted February 19, 2010 So my next question is, could I take a master cylinder from any WD21 and Put it into mine? Link to comment Share on other sites More sharing options...
MY1PATH Posted February 19, 2010 Share Posted February 19, 2010 yes, thats why I said they are all interchangealbe. even r50s and w/d22's 1"mc will work. Link to comment Share on other sites More sharing options...
Nytrosfinder Posted February 19, 2010 Author Share Posted February 19, 2010 My bad... Thanks for the help! Link to comment Share on other sites More sharing options...
Alkorahil Posted February 19, 2010 Share Posted February 19, 2010 For a WD21 the front calipers break down as follows: production date 07/86 to 08/88 production date 08/88 to production end Link to comment Share on other sites More sharing options...
Alkorahil Posted February 19, 2010 Share Posted February 19, 2010 The WD21 used a Tokico 1" cylinder after 07/90 and a Tokico 15/16" from 08/87 to 07/90 There were 4 different 15/16 used. Looks like the difference is the seals inside. The changes are with 4cyl or V6 and auto or manual trans. (the variations changes the vehicle weight) Link to comment Share on other sites More sharing options...
GrimGreg Posted February 22, 2010 Share Posted February 22, 2010 AFAIK, the only time the MC type is important to match is if you have disc rears, you "can't" use the drum MC. Link to comment Share on other sites More sharing options...
MY1PATH Posted February 22, 2010 Share Posted February 22, 2010 AFAIK, the only time the MC type is important to match is if you have disc rears, you "can't" use the drum MC. FALSE! I'm running my stock "drum MC" with my rear discs for a year now with no issues. I read on here that another member had switched to a Disc MC some time after running the drum MC on his disc swap and he said he could not tell any differance in the MC itself or in braking charcteristics. So I decided to leave my DRUM MC in place. BUT I may go for that 1" MC if my 15/16" ever fails. Link to comment Share on other sites More sharing options...
GrimGreg Posted February 22, 2010 Share Posted February 22, 2010 FALSE! I'm running my stock "drum MC" with my rear discs for a year now with no issues. I read on here that another member had switched to a Disc MC some time after running the drum MC on his disc swap and he said he could not tell any differance in the MC itself or in braking charcteristics. So I decided to leave my DRUM MC in place. BUT I may go for that 1" MC if my 15/16" ever fails. Cool, hence the "AFAIK", because a lot of others had said they had to switch them. Link to comment Share on other sites More sharing options...
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